| 1 | 200-Yard Medley Relay | 1 | 1:43.50 | | | LaGrange (Lyons) |
| 1 | 200-Yard Medley Relay | 2 | 1:44.11 | | | Hinsdale (Central) |
| 1 | 200-Yard Medley Relay | 3 | 1:44.56 | | | Elmhurst (York) |
| 1 | 200-Yard Medley Relay | 4 | 1:44.78 | | | Lincolnshire (Stevenson) |
| 1 | 200-Yard Medley Relay | 5 | 1:44.85 | | | Wilmette (Loyola Academy) |
| 1 | 200-Yard Medley Relay | 6 | 1:45.05 | | | Winnetka (New Trier) |
| 1 | 200-Yard Medley Relay | 7 | 1:45.30 | | | Carpentersville (Dundee-Crown) [Coop] |
| 1 | 200-Yard Medley Relay | 8 | 1:45.34 | | | Chicago (Whitney Young) |
| 1 | 200-Yard Medley Relay | 9 | 1:45.37 | | | St. Charles (North) |
| 1 | 200-Yard Medley Relay | 10 | 1:45.41 | | | Chicago (St. Ignatius College Prep) |
| 1 | 200-Yard Medley Relay | 11 | 1:45.45 | | | Evanston (Twp.) |
| 1 | 200-Yard Medley Relay | 12 | 1:45.65 | | | Naperville (Central) |
| 1 | 200-Yard Medley Relay | 13 | 1:45.80 | | | Mundelein (H.S.) |
| 1 | 200-Yard Medley Relay | 14 | 1:46.23 | | | Park Ridge (Maine South) |
| 1 | 200-Yard Medley Relay | 15 | 1:46.37 | | | West Chicago (H.S.) [Coop] |
| 1 | 200-Yard Medley Relay | 16 | 1:46.75 | | | Aurora (Waubonsie Valley) |
| 1 | 200-Yard Medley Relay | 17 | 1:46.90 | | | Aurora (Metea Valley) |
| 1 | 200-Yard Medley Relay | 18 | 1:47.10 | | | Lisle (Benet Academy) |
| 1 | 200-Yard Medley Relay | 19 | 1:47.42 | | | Naperville (Neuqua Valley) |
| 1 | 200-Yard Medley Relay | 20 | 1:47.42 | | | Libertyville |
| 1 | 200-Yard Medley Relay | 21 | 1:47.71 | | | Darien (Hinsdale South) |
| 1 | 200-Yard Medley Relay | 22 | 1:47.78 | | | Deerfield (H.S.) |
| 1 | 200-Yard Medley Relay | 23 | 1:47.84 | | | Arlington Heights (Hersey) |
| 1 | 200-Yard Medley Relay | 24 | 1:47.94 | | | Edwardsville (H.S.) |
| 1 | 200-Yard Medley Relay | 25 | 1:47.97 | | | Roselle (Lake Park) |
| 1 | 200-Yard Medley Relay | 26 | 1:48.22 | | | Oswego (East) [Coop] |
| 1 | 200-Yard Medley Relay | 27 | 1:48.29 | | | Champaign (Central) |
| 1 | 200-Yard Medley Relay | 28 | 1:48.30 | | | Naperville (North) |
| 1 | 200-Yard Medley Relay | 29 | 1:48.37 | | | Chicago (Lane) |
| 1 | 200-Yard Medley Relay | 30 | 1:48.68 | | | Galesburg (H.S.) [Coop] |
| 1 | 200-Yard Medley Relay | 31 | 1:48.84 | | | Oak Park (Fenwick) |
| 1 | 200-Yard Medley Relay | 32 | 1:48.88 | | | Mt. Prospect (Prospect) |
| 1 | 200-Yard Medley Relay | 33 | 1:49.01 | | | Chicago (Mother McAuley) |
| 1 | 200-Yard Medley Relay | 34 | 1:49.27 | | | Frankfort (Lincoln-Way East) |
| 1 | 200-Yard Medley Relay | 35 | 1:50.25 | | | Byron [Coop] |
| 1 | 200-Yard Medley Relay | 36 | 1:52.52 | | | LaSalle (L.-Peru) [Coop] |
| 1 | 200-Yard Medley Relay | 37 | 1:56.23 | | | Orland Park (Sandburg) |
| 2 | 200-Yard Freestyle | 1 | 1:47.29 | Ellie Patla | Sr. | Palatine (Fremd) |
| 2 | 200-Yard Freestyle | 2 | 1:47.90 | Molly Wideikis | Fr. | Chicago (St. Ignatius College Prep) |
| 2 | 200-Yard Freestyle | 3 | 1:49.45 | Ella Brace | Fr. | Arlington Heights (Hersey) |
| 2 | 200-Yard Freestyle | 4 | 1:49.95 | Sarah Pelinkovic | Sr. | Hinsdale (Central) |
| 2 | 200-Yard Freestyle | 5 | 1:50.28 | Lucia Negro | Sr. | St. Charles (North) |
| 2 | 200-Yard Freestyle | 6 | 1:50.70 | Margaret Lietzau | Sr. | Winnetka (New Trier) |
| 2 | 200-Yard Freestyle | 7 | 1:51.40 | Emery Larsen | Sr. | West Chicago (H.S.) [Coop] |
| 2 | 200-Yard Freestyle | 8 | 1:51.70 | Kayla Kowal | So. | West Chicago (H.S.) [Coop] |
| 2 | 200-Yard Freestyle | 9 | 1:51.89 | Carolina Piater | Sr. | Naperville (Neuqua Valley) |
| 2 | 200-Yard Freestyle | 10 | 1:52.25 | Audrey Munley | Jr. | Oak Park (Fenwick) |
| 2 | 200-Yard Freestyle | 11 | 1:52.31 | Raegan O'Donnell | Jr. | Mahomet (M.-Seymour) |
| 2 | 200-Yard Freestyle | 12 | 1:52.81 | Sophia Dimitrov | Jr. | Lincolnshire (Stevenson) |
| 2 | 200-Yard Freestyle | 13 | 1:53.08 | Cameron Mesker | Sr. | Downers Grove (South) |
| 2 | 200-Yard Freestyle | 14 | 1:53.16 | Anna Anderson | Jr. | Arlington Heights (Hersey) |
| 2 | 200-Yard Freestyle | 15 | 1:53.23 | Molly Forebaugh | So. | LaGrange (Lyons) |
| 2 | 200-Yard Freestyle | 16 | 1:53.59 | Violet Schumacher | Jr. | Winnetka (New Trier) |
| 2 | 200-Yard Freestyle | 17 | 1:53.65 | Olivia Chavez | Jr. | LaGrange (Lyons) |
| 2 | 200-Yard Freestyle | 18 | 1:53.76 | Laine Curry | Jr. | Edwardsville (H.S.) |
| 2 | 200-Yard Freestyle | 19 | 1:53.94 | Coco Pearson | Fr. | Lisle (Benet Academy) |
| 2 | 200-Yard Freestyle | 20 | 1:54.01 | Lauren Szadorski | Sr. | Oswego (East) [Coop] |
| 2 | 200-Yard Freestyle | 21 | 1:54.03 | Alice Palmer | Fr. | Aurora (Rosary) |
| 2 | 200-Yard Freestyle | 22 | 1:54.06 | Jane Vaughan | So. | Wilmette (Loyola Academy) |
| 2 | 200-Yard Freestyle | 23 | 1:54.19 | Ellen Hinshaw | So. | Palatine (Fremd) |
| 2 | 200-Yard Freestyle | 24 | 1:54.30 | Karolina Zonyte | So. | Plainfield (North) [Coop] |
| 2 | 200-Yard Freestyle | 25 | 1:54.59 | Morgan Mitton | Jr. | Edwardsville (H.S.) |
| 2 | 200-Yard Freestyle | 26 | 1:54.62 | Kristyna Patha | Fr. | Hinsdale (Central) |
| 2 | 200-Yard Freestyle | 27 | 1:54.71 | Alyssa Rivero | Sr. | Aurora (Metea Valley) |
| 2 | 200-Yard Freestyle | 28 | 1:54.79 | Juliette Niemiec | Sr. | Roselle (Lake Park) |
| 2 | 200-Yard Freestyle | 29 | 1:54.80 | Brooke Martenz | So. | New Lenox (Lincoln-Way West) |
| 2 | 200-Yard Freestyle | 30 | 1:54.81 | Nora Schneiker | Jr. | Byron [Coop] |
| 2 | 200-Yard Freestyle | 31 | 1:55.00 | Madelyn Hartsell | So. | Aurora (Waubonsie Valley) |
| 2 | 200-Yard Freestyle | 32 | 1:55.28 | Grace Harder | Fr. | St. Charles (North) |
| 2 | 200-Yard Freestyle | 33 | 1:55.51 | Emma Kierzkowski | So. | Lincolnshire (Stevenson) |
| 2 | 200-Yard Freestyle | 34 | 1:55.73 | Ava Peplowski | Sr. | Metamora [Coop] |
| 2 | 200-Yard Freestyle | 35 | 1:55.73 | Callie Sowder | So. | East Moline (United) [Coop] |
| 2 | 200-Yard Freestyle | 36 | 1:55.74 | Chayse Massimino | Sr. | Chicago (St. Ignatius College Prep) |
| 2 | 200-Yard Freestyle | 37 | 1:55.88 | Annika Anderson | Jr. | Naperville (Neuqua Valley) |
| 2 | 200-Yard Freestyle | 38 | 2:00.32 | Julia Kapolka | Jr. | Palos Hills (Stagg) |
| 3 | 200-Yard Individual Medley | 1 | 1:59.75 | Paige Kowal | Jr. | Aurora (Rosary) |
| 3 | 200-Yard Individual Medley | 2 | 2:01.29 | Rachel Johnson | Sr. | Carpentersville (Dundee-Crown) [Coop] |
| 3 | 200-Yard Individual Medley | 3 | 2:01.50 | Joy Cheng | Jr. | Chicago (Whitney Young) |
| 3 | 200-Yard Individual Medley | 4 | 2:01.77 | Livia Cremer | Sr. | Chicago (St. Ignatius College Prep) |
| 3 | 200-Yard Individual Medley | 5 | 2:02.26 | Vanya Gojakovic | Sr. | Evanston (Twp.) |
| 3 | 200-Yard Individual Medley | 6 | 2:02.98 | Samantha Nauman | Sr. | LaSalle (L.-Peru) [Coop] |
| 3 | 200-Yard Individual Medley | 7 | 2:03.12 | Layla Miglietta | Sr. | Chicago (Lane) |
| 3 | 200-Yard Individual Medley | 8 | 2:03.26 | Kamryn Gardiner | So. | Peoria (Notre Dame) |
| 3 | 200-Yard Individual Medley | 9 | 2:03.60 | Nicole Sun | So. | Hinsdale (Central) |
| 3 | 200-Yard Individual Medley | 10 | 2:03.63 | Claire Wang | Sr. | Lincolnshire (Stevenson) |
| 3 | 200-Yard Individual Medley | 11 | 2:04.07 | Alicia Czosnyka | Sr. | Lake Zurich |
| 3 | 200-Yard Individual Medley | 12 | 2:05.01 | Tamara Kret | Sr. | Winnetka (New Trier) |
| 3 | 200-Yard Individual Medley | 13 | 2:06.30 | Vera Skubiak | So. | Oswego (East) [Coop] |
| 3 | 200-Yard Individual Medley | 14 | 2:06.54 | Sophie Diorio | So. | Naperville (Neuqua Valley) |
| 3 | 200-Yard Individual Medley | 15 | 2:06.64 | Naomi Poortinga | So. | Rolling Meadows |
| 3 | 200-Yard Individual Medley | 16 | 2:06.67 | Margaret Montiel | Fr. | Roselle (Lake Park) |
| 3 | 200-Yard Individual Medley | 17 | 2:06.95 | Maeve Atwood | Jr. | Wilmette (Loyola Academy) |
| 3 | 200-Yard Individual Medley | 18 | 2:07.46 | Erin Przekota | So. | Park Ridge (Maine South) |
| 3 | 200-Yard Individual Medley | 19 | 2:07.52 | Abbey Brown | Sr. | Aurora (Waubonsie Valley) |
| 3 | 200-Yard Individual Medley | 20 | 2:07.68 | Elle Mesch | Fr. | Wilmette (Loyola Academy) |
| 3 | 200-Yard Individual Medley | 21 | 2:07.70 | Palinee Piriyakulvej | So. | Winnetka (New Trier) |
| 3 | 200-Yard Individual Medley | 22 | 2:08.06 | Alexis Kiriakopoulos | So. | Gurnee (Warren) |
| 3 | 200-Yard Individual Medley | 23 | 2:08.47 | Sofia Marquez | Jr. | Champaign (Centennial) |
| 3 | 200-Yard Individual Medley | 24 | 2:08.65 | Christine Liu | Jr. | Lincolnshire (Stevenson) |
| 3 | 200-Yard Individual Medley | 25 | 2:08.68 | Nina Gatchell | Jr. | Evanston (Twp.) |
| 3 | 200-Yard Individual Medley | 26 | 2:08.73 | Sam Mondrus | So. | Chicago (St. Ignatius College Prep) |
| 3 | 200-Yard Individual Medley | 27 | 2:08.74 | Claire Simon | Jr. | West Chicago (H.S.) [Coop] |
| 3 | 200-Yard Individual Medley | 28 | 2:08.85 | Abby Morrissey | Jr. | Lisle (Benet Academy) |
| 3 | 200-Yard Individual Medley | 29 | 2:08.87 | Julia Oleksy | Sr. | Des Plaines (Maine West) |
| 3 | 200-Yard Individual Medley | 30 | 2:08.98 | Norah Seraphin | Jr. | Hinsdale (Central) |
| 3 | 200-Yard Individual Medley | 31 | 2:09.16 | Lilly Johnson | Jr. | Bismarck (B.-Henning-Rossville-Alvin) |
| 3 | 200-Yard Individual Medley | 32 | 2:09.38 | Nina Kamarauli | Fr. | Vernon Hills |
| 3 | 200-Yard Individual Medley | 33 | 2:09.71 | Collins Brock | Fr. | LaGrange (Lyons) |
| 3 | 200-Yard Individual Medley | 34 | 2:09.77 | Gabriella Graham | Fr. | Roselle (Lake Park) |
| 3 | 200-Yard Individual Medley | 35 | 2:09.83 | Lena Banaszewski | Sr. | Hoffman Estates (H.S.) |
| 3 | 200-Yard Individual Medley | 36 | 2:09.98 | Malika Madiman | Fr. | Aurora (Waubonsie Valley) |
| 3 | 200-Yard Individual Medley | 37 | 2:10.16 | Drew Walker | So. | Elmhurst (York) |
| 3 | 200-Yard Individual Medley | 38 | 2:10.52 | Larsen Hill | So. | West Chicago (H.S.) [Coop] |
| 3 | 200-Yard Individual Medley | 39 | 2:11.28 | Lucy Gura | Jr. | Byron [Coop] |
| 3 | 200-Yard Individual Medley | 40 | 2:11.65 | Hailey Guzak | So. | Tinley Park (Andrew) |
| 3 | 200-Yard Individual Medley | 41 | 2:11.74 | Reilly Curry | Sr. | Edwardsville (H.S.) |
| 3 | 200-Yard Individual Medley | 42 | 2:11.80 | Gracie Zimmer | Sr. | Mt. Prospect (Prospect) |
| 3 | 200-Yard Individual Medley | 43 | 2:17.46 | Alyvia Dickinson | Sr. | Orland Park (Sandburg) |
| 4 | 50-Yard Freestyle | 1 | 22.74 | Aria Grossenbach | Sr. | Lincolnshire (Stevenson) |
| 4 | 50-Yard Freestyle | 2 | 22.98 | Sofia Piater | Sr. | Naperville (Neuqua Valley) |
| 4 | 50-Yard Freestyle | 3 | 23.11 | Lia Roggi | Jr. | Wilmette (Loyola Academy) |
| 4 | 50-Yard Freestyle | 4 | 23.27 | Olivia Musick | Sr. | Winnetka (New Trier) |
| 4 | 50-Yard Freestyle | 5 | 23.32 | Lilia Barber | Sr. | Hinsdale (Central) |
| 4 | 50-Yard Freestyle | 6 | 23.48 | Olivia Linduska | So. | Aurora (Metea Valley) |
| 4 | 50-Yard Freestyle | 7 | 23.60 | Alexi Albertyn | Fr. | O'Fallon (H.S.) |
| 4 | 50-Yard Freestyle | 8 | 23.61 | Hannah Maksimuk | Jr. | St. Charles (North) |
| 4 | 50-Yard Freestyle | 9 | 23.62 | Esmae Shen | Fr. | Lincolnshire (Stevenson) |
| 4 | 50-Yard Freestyle | 10 | 23.73 | Brooke Eliacin | Sr. | Highland Park |
| 4 | 50-Yard Freestyle | 11 | 23.74 | Rebecca Hinshaw | Sr. | Biggsville (West Central) |
| 4 | 50-Yard Freestyle | 12 | 23.74 | Sophia Pentchev | Jr. | Palatine (Fremd) |
| 4 | 50-Yard Freestyle | 13 | 23.75 | Alexa Goldstone | Sr. | Naperville (Central) |
| 4 | 50-Yard Freestyle | 14 | 23.86 | Eleanor Hultgren | So. | Burlington (Central) |
| 4 | 50-Yard Freestyle | 15 | 23.86 | Avery Groth | So. | Wheaton (North) [Coop] |
| 4 | 50-Yard Freestyle | 16 | 23.91 | Olivia Hartley | Jr. | Elmhurst (York) |
| 4 | 50-Yard Freestyle | 17 | 23.92 | Eliana Niemi | Sr. | Carpentersville (Dundee-Crown) [Coop] |
| 4 | 50-Yard Freestyle | 18 | 23.93 | Claire Schumacher | Sr. | West Chicago (H.S.) [Coop] |
| 4 | 50-Yard Freestyle | 19 | 23.99 | Vivian Myers | Sr. | Palatine (H.S.) |
| 4 | 50-Yard Freestyle | 20 | 23.99 | Hailey Purcell | Sr. | Chicago (University) |
| 4 | 50-Yard Freestyle | 21 | 24.03 | Lauren Tableman | Sr. | Mundelein (H.S.) |
| 4 | 50-Yard Freestyle | 22 | 24.03 | Anne Kadolph | Fr. | Darien (Hinsdale South) |
| 4 | 50-Yard Freestyle | 23 | 24.09 | Maeve Ryan | Sr. | Oak Park (Fenwick) |
| 4 | 50-Yard Freestyle | 24 | 24.12 | Caroline LeMahieu | So. | Wheaton (North) [Coop] |
| 4 | 50-Yard Freestyle | 25 | 24.12 | Maggie Raniere | Sr. | Oak Park (Fenwick) |
| 4 | 50-Yard Freestyle | 26 | 24.15 | Kyla Calvin | Jr. | Troy (Triad) |
| 4 | 50-Yard Freestyle | 27 | 24.16 | Greta Mikulaninec | Jr. | Chicago (St. Ignatius College Prep) |
| 4 | 50-Yard Freestyle | 28 | 24.18 | Anna Hinshaw | Sr. | Palatine (Fremd) |
| 4 | 50-Yard Freestyle | 29 | 24.18 | Capeless Gianna | Fr. | Aurora (Rosary) |
| 4 | 50-Yard Freestyle | 30 | 24.20 | Emma Herrin | Fr. | Springfield (H.S.) |
| 4 | 50-Yard Freestyle | 31 | 24.20 | Laila Miceli | Sr. | Hinsdale (Central) |
| 4 | 50-Yard Freestyle | 32 | 24.27 | Greta Deist | Jr. | Edwardsville (H.S.) |
| 4 | 50-Yard Freestyle | 33 | 24.31 | Vicky Makswiej | So. | Orland Park (Sandburg) |
| 4 | 50-Yard Freestyle | 34 | 24.34 | Lily Wolski | Jr. | Naperville (Central) |
| 4 | 50-Yard Freestyle | 35 | 24.34 | Lily Vazquez | So. | Oak Forest |
| 4 | 50-Yard Freestyle | 36 | 24.35 | Makenna Martin | So. | Chicago (Mother McAuley) |
| 4 | 50-Yard Freestyle | 37 | 24.36 | Madeline Lynch | Sr. | Tinley Park (Andrew) |
| 4 | 50-Yard Freestyle | 38 | 24.44 | Lila Nelson | Sr. | Elmhurst (York) |
| 4 | 50-Yard Freestyle | 39 | 24.59 | Norah Shearer | So. | Byron [Coop] |
| 4 | 50-Yard Freestyle | 40 | 24.86 | Natalie Loy | Jr. | Champaign (Central) |
| 4 | 50-Yard Freestyle | 41 | 25.10 | Addison Robison | Sr. | Metamora [Coop] |
| 4 | 50-Yard Freestyle | 42 | 23.10r | Sylvia Deliduka | Sr. | Winnetka (New Trier) |
| 5 | Diving | 1 | 558.70 | Elianna Moody | Jr. | Wheaton (North) [Coop] |
| 5 | Diving | 2 | 548.95 | Caitlin Seder | Sr. | Chicago (St. Ignatius College Prep) |
| 5 | Diving | 3 | 546.45 | Allison Houston | Jr. | Buffalo Grove |
| 5 | Diving | 4 | 518.65 | Ella Smayda | Sr. | St. Charles (North) |
| 5 | Diving | 5 | 511.35 | Alexis Tsou | Jr. | Glenview (Glenbrook South) |
| 5 | Diving | 6 | 499.05 | Emery D'Angelo | So. | Deerfield (H.S.) |
| 5 | Diving | 7 | 498.55 | Emerson Ferber | Fr. | Glenview (Glenbrook South) |
| 5 | Diving | 8 | 498.30 | Gabriela Ursu | Jr. | Naperville (Neuqua Valley) |
| 5 | Diving | 9 | 495.15 | Ella Juiris | Fr. | Park Ridge (Maine South) |
| 5 | Diving | 10 | 493.80 | Ella Buchenauer | Sr. | Aurora (Waubonsie Valley) |
| 5 | Diving | 11 | 481.20 | Mihika Tillu | Sr. | Palatine (Fremd) |
| 5 | Diving | 12 | 464.75 | Ayanna Dairyko | So. | Oak Park (O.P.-River Forest) |
| 5 | Diving | 13 | 461.40 | Knox Kruk | Jr. | Chicago (St. Ignatius College Prep) |
| 5 | Diving | 14 | 457.35 | Lexi Rankin | Sr. | Normal (Community West) |
| 5 | Diving | 15 | 456.95 | Jillian Riebe | Sr. | New Lenox (Lincoln-Way Central) |
| 5 | Diving | 16 | 456.85 | Angela Guelde | Sr. | Downs (Tri-Valley) |
| 5 | Diving | 17 | 456.65 | Natalie Kaiser | Jr. | Edwardsville (H.S.) |
| 5 | Diving | 18 | 456.25 | Ella Yang | Sr. | Barrington |
| 5 | Diving | 19 | 455.90 | Milena Cruz-Garbo | Sr. | Winnetka (New Trier) |
| 5 | Diving | 20 | 454.70 | Ellie Fleischmann | Sr. | LaGrange Park (Nazareth Academy) |
| 5 | Diving | 21 | 454.50 | Julia Shulman | So. | Hoffman Estates (Conant) |
| 5 | Diving | 22 | 454.35 | Violet Slowik | Jr. | Lockport (Twp.) |
| 5 | Diving | 23 | 454.15 | Tatum Baker | Fr. | Winnetka (New Trier) |
| 5 | Diving | 24 | 447.05 | Abigail Fauth | Fr. | LaGrange (Lyons) |
| 5 | Diving | 25 | 443.80 | Ella Cobb | Sr. | Libertyville |
| 5 | Diving | 26 | 440.20 | Maddie Moss | So. | Oswego (East) [Coop] |
| 5 | Diving | 27 | 440.10 | Sienna Pequet | So. | Hinsdale (Central) |
| 5 | Diving | 28 | 439.70 | Taylor Gaffud | Jr. | Orland Park (Sandburg) |
| 5 | Diving | 29 | 437.35 | Paige Phelan | Sr. | Riverside (R.-Brookfield) |
| 5 | Diving | 30 | 437.20 | Emma Staniszewski | Sr. | Tinley Park (Andrew) |
| 5 | Diving | 31 | 437.10 | Aubrey Meints | Sr. | Mahomet (M.-Seymour) |
| 5 | Diving | 32 | 433.60 | Sophia Wehling | Sr. | Arlington Heights (Hersey) |
| 5 | Diving | 33 | 428.05 | Valencia Ptak | Sr. | Oak Park (Fenwick) |
| 5 | Diving | 34 | 423.05 | Clara Paige | Fr. | Mahomet (M.-Seymour) |
| 5 | Diving | 35 | 421.05 | Bella Richards | So. | Hoffman Estates (Conant) |
| 5 | Diving | 36 | 416.05 | Delaney Lopuszynski | Sr. | Arlington Heights (Hersey) |
| 5 | Diving | 37 | 408.30 | Mallory Czarnecki | So. | New Lenox (Lincoln-Way Central) |
| 5 | Diving | 38 | 408.15 | Madeleine Scarsella | Fr. | Elmhurst (York) |
| 5 | Diving | 39 | 402.15 | Charlotte Anderson | Jr. | Naperville (Neuqua Valley) |
| 5 | Diving | 40 | 400.85 | Lucy Punsalan | Fr. | West Chicago (H.S.) [Coop] |
| 5 | Diving | 41 | 400.55 | Kinsley Kramer | Jr. | Elmhurst (York) |
| 5 | Diving | 42 | 397.55 | Lily Dandekar | Fr. | Palatine (Fremd) |
| 5 | Diving | 43 | 392.60 | Lucy Hunter | So. | Naperville (North) |
| 5 | Diving | 44 | 391.60 | Catherine Morris | So. | Palatine (H.S.) |
| 5 | Diving | 45 | 390.50 | Estelle Fask | Sr. | Oak Park (Fenwick) |
| 5 | Diving | 46 | 389.30 | Madi Moungey | Jr. | Naperville (North) |
| 5 | Diving | 47 | 388.50 | Ashlynn Robinson | Jr. | Byron [Coop] |
| 5 | Diving | 48 | 335.75 | Adalyn Hittle | So. | Dunlap [Coop] |
| 6 | 100-Yard Butterfly | 1 | 53.98 | Kamryn Gardiner | So. | Peoria (Notre Dame) |
| 6 | 100-Yard Butterfly | 2 | 54.82 | Thea Bike | Jr. | St. Charles (North) |
| 6 | 100-Yard Butterfly | 3 | 54.89 | Annabelle Nawrocki | Sr. | Aurora (Rosary) |
| 6 | 100-Yard Butterfly | 4 | 55.25 | Lia Roggi | Jr. | Wilmette (Loyola Academy) |
| 6 | 100-Yard Butterfly | 5 | 55.39 | Claire Wang | Sr. | Lincolnshire (Stevenson) |
| 6 | 100-Yard Butterfly | 6 | 55.40 | Tatum Fridrych | So. | LaGrange (Lyons) |
| 6 | 100-Yard Butterfly | 7 | 55.43 | Isabella Stanek | Sr. | Frankfort (Lincoln-Way East) |
| 6 | 100-Yard Butterfly | 8 | 55.84 | Claire Schumacher | Sr. | West Chicago (H.S.) [Coop] |
| 6 | 100-Yard Butterfly | 9 | 55.87 | Diana Bobiv | Sr. | Schaumburg (H.S.) |
| 6 | 100-Yard Butterfly | 10 | 55.91 | Lilia Barber | Sr. | Hinsdale (Central) |
| 6 | 100-Yard Butterfly | 11 | 55.94 | Jenna Bilut | Jr. | West Chicago (H.S.) [Coop] |
| 6 | 100-Yard Butterfly | 12 | 55.97 | Alexis Ambrosino | Jr. | Chicago (St. Ignatius College Prep) |
| 6 | 100-Yard Butterfly | 13 | 55.98 | Christine Liu | Jr. | Lincolnshire (Stevenson) |
| 6 | 100-Yard Butterfly | 14 | 56.07 | Briana Mingmuang | Jr. | Chicago (Whitney Young) |
| 6 | 100-Yard Butterfly | 15 | 56.11 | Sophia Pentchev | Jr. | Palatine (Fremd) |
| 6 | 100-Yard Butterfly | 16 | 56.18 | Vivian Gumienny | Jr. | Orland Park (Sandburg) |
| 6 | 100-Yard Butterfly | 17 | 56.20 | Norah Seraphin | Jr. | Hinsdale (Central) |
| 6 | 100-Yard Butterfly | 18 | 56.39 | Madison Southwell | Jr. | Libertyville |
| 6 | 100-Yard Butterfly | 19 | 56.48 | Madeline Lynch | Sr. | Tinley Park (Andrew) |
| 6 | 100-Yard Butterfly | 20 | 56.54 | Kinsley Fitzgerald | Sr. | Wilmette (Loyola Academy) |
| 6 | 100-Yard Butterfly | 21 | 56.59 | Margaret Lietzau | Sr. | Winnetka (New Trier) |
| 6 | 100-Yard Butterfly | 22 | 56.61 | Macie Nelson | Sr. | Galesburg (H.S.) [Coop] |
| 6 | 100-Yard Butterfly | 23 | 56.67 | Callie Sowder | So. | East Moline (United) [Coop] |
| 6 | 100-Yard Butterfly | 24 | 56.72 | Lena Banaszewski | Sr. | Hoffman Estates (H.S.) |
| 6 | 100-Yard Butterfly | 25 | 56.98 | Caroline LeMahieu | So. | Wheaton (North) [Coop] |
| 6 | 100-Yard Butterfly | 26 | 56.99 | Aviles Izzy | Jr. | Normal (Community) |
| 6 | 100-Yard Butterfly | 27 | 57.05 | Gabi Szymanski | Sr. | Park Ridge (Maine South) |
| 6 | 100-Yard Butterfly | 28 | 57.10 | Delaney Mulcrone | So. | Chicago (St. Ignatius College Prep) |
| 6 | 100-Yard Butterfly | 29 | 57.11 | Abbey Brown | Sr. | Aurora (Waubonsie Valley) |
| 6 | 100-Yard Butterfly | 30 | 57.16 | Lauren Tableman | Sr. | Mundelein (H.S.) |
| 6 | 100-Yard Butterfly | 31 | 57.16 | Sofia Marquez | Jr. | Champaign (Centennial) |
| 6 | 100-Yard Butterfly | 32 | 57.21 | Sydney Kail | So. | LaGrange (Lyons) |
| 6 | 100-Yard Butterfly | 33 | 57.26 | Emma Herrin | Fr. | Springfield (H.S.) |
| 6 | 100-Yard Butterfly | 34 | 57.51 | Tamara Kret | Sr. | Winnetka (New Trier) |
| 6 | 100-Yard Butterfly | 35 | 57.78 | Taylor Tuch | Jr. | Naperville (Neuqua Valley) |
| 6 | 100-Yard Butterfly | 36 | 57.89 | Beatrix Pearson | So. | Lisle (Benet Academy) |
| 6 | 100-Yard Butterfly | 37 | 57.96 | Natalie Wesolowski | Jr. | Naperville (Central) |
| 6 | 100-Yard Butterfly | 38 | 57.97 | Ella Hanson | Fr. | Naperville (North) |
| 6 | 100-Yard Butterfly | 39 | 58.01 | Karsyn Johnson | Jr. | Mahomet (M.-Seymour) |
| 6 | 100-Yard Butterfly | 40 | 58.19 | Jelenna Gamilla | Fr. | Aurora (Metea Valley) |
| 6 | 100-Yard Butterfly | 41 | 58.30 | Sophia Diviacchi | Sr. | Grayslake (North) |
| 6 | 100-Yard Butterfly | 42 | 58.33 | Ava Cabrera | So. | Oswego (East) [Coop] |
| 6 | 100-Yard Butterfly | 43 | 58.38 | Malika Madiman | Fr. | Aurora (Waubonsie Valley) |
| 6 | 100-Yard Butterfly | 44 | 58.66 | Samantha Stowe | Jr. | Oak Park (Fenwick) |
| 6 | 100-Yard Butterfly | 45 | 58.81 | Sadie Finkelshteyn | So. | Deerfield (H.S.) |
| 6 | 100-Yard Butterfly | 46 | 59.40 | Peyton Hillabolt | Jr. | Rockton (Hononegah) |
| 7 | 100-Yard Freestyle | 1 | 48.47 | Aria Grossenbach | Sr. | Lincolnshire (Stevenson) |
| 7 | 100-Yard Freestyle | 2 | 50.13 | Molly Wideikis | Fr. | Chicago (St. Ignatius College Prep) |
| 7 | 100-Yard Freestyle | 3 | 50.60 | Sylvia Deliduka | Sr. | Winnetka (New Trier) |
| 7 | 100-Yard Freestyle | 4 | 50.92 | Nicole Sun | So. | Hinsdale (Central) |
| 7 | 100-Yard Freestyle | 5 | 51.07 | Raegan O'Donnell | Jr. | Mahomet (M.-Seymour) |
| 7 | 100-Yard Freestyle | 6 | 51.31 | Alexi Albertyn | Fr. | O'Fallon (H.S.) |
| 7 | 100-Yard Freestyle | 7 | 51.31 | Mila Chow | Fr. | Chicago (Whitney Young) |
| 7 | 100-Yard Freestyle | 8 | 51.43 | Eleanor Hultgren | So. | Burlington (Central) |
| 7 | 100-Yard Freestyle | 9 | 51.83 | Delaney Lund | So. | Naperville (North) |
| 7 | 100-Yard Freestyle | 10 | 51.87 | Olivia Linduska | So. | Aurora (Metea Valley) |
| 7 | 100-Yard Freestyle | 11 | 52.03 | Eliana Niemi | Sr. | Carpentersville (Dundee-Crown) [Coop] |
| 7 | 100-Yard Freestyle | 12 | 52.06 | Anne Kadolph | Fr. | Darien (Hinsdale South) |
| 7 | 100-Yard Freestyle | 13 | 52.13 | Alyssa Rivero | Sr. | Aurora (Metea Valley) |
| 7 | 100-Yard Freestyle | 14 | 52.15 | Maya Happel | Sr. | Washington [Coop] |
| 7 | 100-Yard Freestyle | 15 | 52.20 | Olivia Chavez | Jr. | LaGrange (Lyons) |
| 7 | 100-Yard Freestyle | 16 | 52.21 | Emma Rose | Fr. | Winnetka (New Trier) |
| 7 | 100-Yard Freestyle | 17 | 52.23 | Gabrielle Miller | Jr. | Elmhurst (York) |
| 7 | 100-Yard Freestyle | 18 | 52.23 | Rebecca Hinshaw | Sr. | Biggsville (West Central) |
| 7 | 100-Yard Freestyle | 19 | 52.28 | Emma Kierzkowski | So. | Lincolnshire (Stevenson) |
| 7 | 100-Yard Freestyle | 20 | 52.41 | Claire Crimmins | Sr. | LaGrange (Lyons) |
| 7 | 100-Yard Freestyle | 21 | 52.59 | Alex Suhre | Fr. | Edwardsville (H.S.) |
| 7 | 100-Yard Freestyle | 22 | 52.63 | Vera Skubiak | So. | Oswego (East) [Coop] |
| 7 | 100-Yard Freestyle | 23 | 52.67 | Anna Anderson | Jr. | Arlington Heights (Hersey) |
| 7 | 100-Yard Freestyle | 24 | 52.73 | Estelle Castaneda | Jr. | Aurora (Waubonsie Valley) |
| 7 | 100-Yard Freestyle | 25 | 52.80 | Norah Shearer | So. | Byron [Coop] |
| 7 | 100-Yard Freestyle | 26 | 52.82 | Maggie Raniere | Sr. | Oak Park (Fenwick) |
| 7 | 100-Yard Freestyle | 27 | 52.85 | Kristyna Patha | Fr. | Hinsdale (Central) |
| 7 | 100-Yard Freestyle | 28 | 52.93 | Jane Vaughan | So. | Wilmette (Loyola Academy) |
| 7 | 100-Yard Freestyle | 29 | 53.98 | Lily Vazquez | So. | Oak Forest |
| 7 | 100-Yard Freestyle | 30 | 54.99 | Aleksandra Stanek | So. | Frankfort (Lincoln-Way East) |
| 8 | 500-Yard Freestyle | 1 | 4:48.97 | Ellie Patla | Sr. | Palatine (Fremd) |
| 8 | 500-Yard Freestyle | 2 | 4:52.27 | Paige Kowal | Jr. | Aurora (Rosary) |
| 8 | 500-Yard Freestyle | 3 | 4:53.15 | Joy Cheng | Jr. | Chicago (Whitney Young) |
| 8 | 500-Yard Freestyle | 4 | 4:54.33 | Sarah Pelinkovic | Sr. | Hinsdale (Central) |
| 8 | 500-Yard Freestyle | 5 | 4:55.35 | Ella Brace | Fr. | Arlington Heights (Hersey) |
| 8 | 500-Yard Freestyle | 6 | 4:57.80 | Mariposa Arroyo | Sr. | Chicago (St. Ignatius College Prep) |
| 8 | 500-Yard Freestyle | 7 | 4:58.19 | Livia Cremer | Sr. | Chicago (St. Ignatius College Prep) |
| 8 | 500-Yard Freestyle | 8 | 4:58.70 | Alicia Czosnyka | Sr. | Lake Zurich |
| 8 | 500-Yard Freestyle | 9 | 4:59.40 | Kayla Kowal | So. | West Chicago (H.S.) [Coop] |
| 8 | 500-Yard Freestyle | 10 | 4:59.54 | Carolina Piater | Sr. | Naperville (Neuqua Valley) |
| 8 | 500-Yard Freestyle | 11 | 5:00.35 | Lauren Szadorski | Sr. | Oswego (East) [Coop] |
| 8 | 500-Yard Freestyle | 12 | 5:00.49 | June Dichtel | Sr. | Winnetka (New Trier) |
| 8 | 500-Yard Freestyle | 13 | 5:02.55 | Karolina Zonyte | So. | Plainfield (North) [Coop] |
| 8 | 500-Yard Freestyle | 14 | 5:03.02 | Rachel Deutmeyer | So. | St. Charles (North) |
| 8 | 500-Yard Freestyle | 15 | 5:03.09 | Kara Brady | So. | Hinsdale (Central) |
| 8 | 500-Yard Freestyle | 16 | 5:03.54 | Molly Forebaugh | So. | LaGrange (Lyons) |
| 8 | 500-Yard Freestyle | 17 | 5:04.21 | Alice Palmer | Fr. | Aurora (Rosary) |
| 8 | 500-Yard Freestyle | 18 | 5:04.32 | Coco Pearson | Fr. | Lisle (Benet Academy) |
| 8 | 500-Yard Freestyle | 19 | 5:04.51 | Jenna Bilut | Jr. | West Chicago (H.S.) [Coop] |
| 8 | 500-Yard Freestyle | 20 | 5:05.49 | Naomi Poortinga | So. | Rolling Meadows |
| 8 | 500-Yard Freestyle | 21 | 5:06.13 | Elizabeth Williams | Jr. | Barrington |
| 8 | 500-Yard Freestyle | 22 | 5:06.16 | Violet Schumacher | Jr. | Winnetka (New Trier) |
| 8 | 500-Yard Freestyle | 23 | 5:06.93 | Annika Anderson | Jr. | Naperville (Neuqua Valley) |
| 8 | 500-Yard Freestyle | 24 | 5:07.43 | Avery Hickey | Fr. | Chicago (Lycée Français de Chicago) |
| 8 | 500-Yard Freestyle | 25 | 5:07.48 | Audrey Munley | Jr. | Oak Park (Fenwick) |
| 8 | 500-Yard Freestyle | 26 | 5:07.98 | Grace Harder | Fr. | St. Charles (North) |
| 8 | 500-Yard Freestyle | 27 | 5:08.07 | Brooke Martenz | So. | New Lenox (Lincoln-Way West) |
| 8 | 500-Yard Freestyle | 28 | 5:08.14 | Morgan Mitton | Jr. | Edwardsville (H.S.) |
| 8 | 500-Yard Freestyle | 29 | 5:08.23 | Ellen Hinshaw | So. | Palatine (Fremd) |
| 8 | 500-Yard Freestyle | 30 | 5:09.11 | Eva Wetzel | Jr. | Barrington |
| 8 | 500-Yard Freestyle | 31 | 5:09.29 | Lily Potter | So. | Naperville (Central) |
| 8 | 500-Yard Freestyle | 32 | 5:09.37 | Susannah Keller | Sr. | Evanston (Twp.) |
| 8 | 500-Yard Freestyle | 33 | 5:09.49 | Sophie Thompson | Fr. | LaGrange (Lyons) |
| 8 | 500-Yard Freestyle | 34 | 5:09.88 | Gabriella Graham | Fr. | Roselle (Lake Park) |
| 8 | 500-Yard Freestyle | 35 | 5:09.97 | Kayla Brace | Sr. | Arlington Heights (Hersey) |
| 8 | 500-Yard Freestyle | 36 | 5:11.63 | Kassidy Nickels | So. | Skokie (Niles North) |
| 8 | 500-Yard Freestyle | 37 | 5:12.93 | Audriana Rocco | Fr. | Oswego (East) [Coop] |
| 8 | 500-Yard Freestyle | 38 | 5:13.26 | Nora Curtin | Jr. | Lincolnshire (Stevenson) |
| 8 | 500-Yard Freestyle | 39 | 5:16.65 | Ellen Reynolds | Fr. | Champaign (Centennial) |
| 8 | 500-Yard Freestyle | 40 | 5:19.14 | Faith Warren | Jr. | Galesburg (H.S.) [Coop] |
| 8 | 500-Yard Freestyle | 41 | 5:20.96 | Lauryn Burroughs | So. | Normal (University) |
| 8 | 500-Yard Freestyle | 42 | 5:24.82 | Sara Kocur | Fr. | Palos Hills (Stagg) |
| 8 | 500-Yard Freestyle | 43 | 5:27.94 | Ryan Smith | Sr. | Byron [Coop] |
| 9 | 200-Yard Freestyle Relay | 1 | 1:33.59 | | | Lincolnshire (Stevenson) |
| 9 | 200-Yard Freestyle Relay | 2 | 1:35.15 | | | Aurora (Rosary) |
| 9 | 200-Yard Freestyle Relay | 3 | 1:35.16 | | | Hinsdale (Central) |
| 9 | 200-Yard Freestyle Relay | 4 | 1:35.65 | | | Chicago (St. Ignatius College Prep) |
| 9 | 200-Yard Freestyle Relay | 5 | 1:35.70 | | | Naperville (Neuqua Valley) |
| 9 | 200-Yard Freestyle Relay | 6 | 1:35.81 | | | Chicago (Whitney Young) |
| 9 | 200-Yard Freestyle Relay | 7 | 1:36.03 | | | West Chicago (H.S.) [Coop] |
| 9 | 200-Yard Freestyle Relay | 8 | 1:36.07 | | | Palatine (Fremd) |
| 9 | 200-Yard Freestyle Relay | 9 | 1:36.13 | | | Wilmette (Loyola Academy) |
| 9 | 200-Yard Freestyle Relay | 10 | 1:36.15 | | | LaGrange (Lyons) |
| 9 | 200-Yard Freestyle Relay | 11 | 1:36.20 | | | St. Charles (North) |
| 9 | 200-Yard Freestyle Relay | 12 | 1:36.69 | | | Aurora (Metea Valley) |
| 9 | 200-Yard Freestyle Relay | 13 | 1:36.89 | | | Oak Park (Fenwick) |
| 9 | 200-Yard Freestyle Relay | 14 | 1:37.01 | | | Evanston (Twp.) |
| 9 | 200-Yard Freestyle Relay | 15 | 1:37.34 | | | Elmhurst (York) |
| 9 | 200-Yard Freestyle Relay | 16 | 1:37.57 | | | Winnetka (New Trier) |
| 9 | 200-Yard Freestyle Relay | 17 | 1:37.87 | | | Roselle (Lake Park) |
| 9 | 200-Yard Freestyle Relay | 18 | 1:37.97 | | | Oswego (East) [Coop] |
| 9 | 200-Yard Freestyle Relay | 19 | 1:38.02 | | | Naperville (North) |
| 9 | 200-Yard Freestyle Relay | 20 | 1:38.08 | | | Aurora (Waubonsie Valley) |
| 9 | 200-Yard Freestyle Relay | 21 | 1:38.27 | | | Mundelein (H.S.) |
| 9 | 200-Yard Freestyle Relay | 22 | 1:38.34 | | | Naperville (Central) |
| 9 | 200-Yard Freestyle Relay | 23 | 1:38.39 | | | Libertyville |
| 9 | 200-Yard Freestyle Relay | 24 | 1:38.43 | | | Edwardsville (H.S.) |
| 9 | 200-Yard Freestyle Relay | 25 | 1:38.44 | | | Park Ridge (Maine South) |
| 9 | 200-Yard Freestyle Relay | 26 | 1:38.81 | | | Arlington Heights (Hersey) |
| 9 | 200-Yard Freestyle Relay | 27 | 1:38.83 | | | Chicago (Lane) |
| 9 | 200-Yard Freestyle Relay | 28 | 1:38.85 | | | Byron [Coop] |
| 9 | 200-Yard Freestyle Relay | 29 | 1:39.25 | | | Bradley (B.-Bourbonnais) |
| 9 | 200-Yard Freestyle Relay | 30 | 1:39.33 | | | Galesburg (H.S.) [Coop] |
| 9 | 200-Yard Freestyle Relay | 31 | 1:39.50 | | | Washington [Coop] |
| 9 | 200-Yard Freestyle Relay | 32 | 1:39.90 | | | Mahomet (M.-Seymour) |
| 9 | 200-Yard Freestyle Relay | 33 | 1:40.07 | | | Orland Park (Sandburg) |
| 10 | 100-Yard Backstroke | 1 | 53.40 | Thea Bike | Jr. | St. Charles (North) |
| 10 | 100-Yard Backstroke | 2 | 53.97 | Rachel Johnson | Sr. | Carpentersville (Dundee-Crown) [Coop] |
| 10 | 100-Yard Backstroke | 3 | 54.83 | Samantha Nauman | Sr. | LaSalle (L.-Peru) [Coop] |
| 10 | 100-Yard Backstroke | 4 | 55.21 | Briana Mingmuang | Jr. | Chicago (Whitney Young) |
| 10 | 100-Yard Backstroke | 5 | 55.22 | Vanya Gojakovic | Sr. | Evanston (Twp.) |
| 10 | 100-Yard Backstroke | 6 | 55.40 | Karina Miller | Sr. | Hinsdale (Central) |
| 10 | 100-Yard Backstroke | 7 | 55.58 | Collins Brock | Fr. | LaGrange (Lyons) |
| 10 | 100-Yard Backstroke | 8 | 55.69 | Avery Musick | So. | Winnetka (New Trier) |
| 10 | 100-Yard Backstroke | 9 | 55.71 | Alexa Goldstone | Sr. | Naperville (Central) |
| 10 | 100-Yard Backstroke | 10 | 55.91 | Sofia Piater | Sr. | Naperville (Neuqua Valley) |
| 10 | 100-Yard Backstroke | 11 | 56.00 | Abby Morrissey | Jr. | Lisle (Benet Academy) |
| 10 | 100-Yard Backstroke | 12 | 56.12 | Mila Chow | Fr. | Chicago (Whitney Young) |
| 10 | 100-Yard Backstroke | 13 | 56.18 | Sophia Dimitrov | Jr. | Lincolnshire (Stevenson) |
| 10 | 100-Yard Backstroke | 14 | 56.24 | Laine Curry | Jr. | Edwardsville (H.S.) |
| 10 | 100-Yard Backstroke | 15 | 56.25 | Jenny Taylor | So. | Mundelein (H.S.) |
| 10 | 100-Yard Backstroke | 16 | 56.26 | Isabella Stanek | Sr. | Frankfort (Lincoln-Way East) |
| 10 | 100-Yard Backstroke | 17 | 56.29 | Emery Larsen | Sr. | West Chicago (H.S.) [Coop] |
| 10 | 100-Yard Backstroke | 18 | 56.39 | Nina Kamarauli | Fr. | Vernon Hills |
| 10 | 100-Yard Backstroke | 19 | 56.45 | Gabrielle Miller | Jr. | Elmhurst (York) |
| 10 | 100-Yard Backstroke | 20 | 56.52 | Sydney Kail | So. | LaGrange (Lyons) |
| 10 | 100-Yard Backstroke | 21 | 56.83 | Vanessa Miecznikowski | Sr. | Lincolnshire (Stevenson) |
| 10 | 100-Yard Backstroke | 22 | 56.98 | Layla Miglietta | Sr. | Chicago (Lane) |
| 10 | 100-Yard Backstroke | 23 | 57.01 | Avery Groth | So. | Wheaton (North) [Coop] |
| 10 | 100-Yard Backstroke | 24 | 57.20 | Claudia Glinko | Sr. | Arlington Heights (Hersey) |
| 10 | 100-Yard Backstroke | 25 | 57.29 | Eileen Hamilton | So. | Peoria (Notre Dame) |
| 10 | 100-Yard Backstroke | 26 | 57.33 | Kennedy Fitzgerald | So. | Wilmette (Loyola Academy) |
| 10 | 100-Yard Backstroke | 27 | 57.33 | Kendall Denny | So. | Sandwich |
| 10 | 100-Yard Backstroke | 28 | 57.48 | Vivian Myers | Sr. | Palatine (H.S.) |
| 10 | 100-Yard Backstroke | 29 | 57.48 | Kara Brady | So. | Hinsdale (Central) |
| 10 | 100-Yard Backstroke | 30 | 57.53 | Juliette Niemiec | Sr. | Roselle (Lake Park) |
| 10 | 100-Yard Backstroke | 31 | 57.57 | Tatum Luedke | Sr. | St. Charles (North) |
| 10 | 100-Yard Backstroke | 32 | 57.62 | Chayse Massimino | Sr. | Chicago (St. Ignatius College Prep) |
| 10 | 100-Yard Backstroke | 33 | 57.65 | Delaney Lund | So. | Naperville (North) |
| 10 | 100-Yard Backstroke | 34 | 57.74 | Macie Nelson | Sr. | Galesburg (H.S.) [Coop] |
| 10 | 100-Yard Backstroke | 35 | 57.83 | Greta Deist | Jr. | Edwardsville (H.S.) |
| 10 | 100-Yard Backstroke | 36 | 58.01 | Samantha Stowe | Jr. | Oak Park (Fenwick) |
| 10 | 100-Yard Backstroke | 37 | 58.01 | Claire Simon | Jr. | West Chicago (H.S.) [Coop] |
| 10 | 100-Yard Backstroke | 38 | 58.03 | Sam Mondrus | So. | Chicago (St. Ignatius College Prep) |
| 10 | 100-Yard Backstroke | 39 | 58.22 | Mallory Borden | So. | Champaign (Centennial) |
| 10 | 100-Yard Backstroke | 40 | 58.24 | Sadie Finkelshteyn | So. | Deerfield (H.S.) |
| 10 | 100-Yard Backstroke | 41 | 58.34 | Vivian Gumienny | Jr. | Orland Park (Sandburg) |
| 10 | 100-Yard Backstroke | 42 | 58.53 | Elle Klotz | Sr. | Libertyville |
| 10 | 100-Yard Backstroke | 43 | 58.59 | Hailey Guzak | So. | Tinley Park (Andrew) |
| 10 | 100-Yard Backstroke | 44 | 58.59 | Camdyn Miller | So. | Galesburg (H.S.) [Coop] |
| 10 | 100-Yard Backstroke | 45 | 58.61 | Kamylle Centeno | Jr. | Aurora (Waubonsie Valley) |
| 10 | 100-Yard Backstroke | 46 | 58.65 | Karsyn Johnson | Jr. | Mahomet (M.-Seymour) |
| 10 | 100-Yard Backstroke | 47 | 58.66 | Isabella Dai | So. | Carbondale (H.S.) |
| 10 | 100-Yard Backstroke | 48 | 54.68r | Olivia Musick | Sr. | Winnetka (New Trier) |
| 10 | 100-Yard Backstroke | 49 | 55.34r | Annabelle Nawrocki | Sr. | Aurora (Rosary) |
| 10 | 100-Yard Backstroke | 50 | 56.22r | Maeve Atwood | Jr. | Wilmette (Loyola Academy) |
| 10 | 100-Yard Backstroke | 51 | 57.21r | Margaret Montiel | Fr. | Roselle (Lake Park) |
| 10 | 100-Yard Backstroke | 52 | 1:00.71 | Abby Krueger | Sr. | Byron [Coop] |
| 11 | 100-Yard Breaststroke | 1 | 1:02.69 | Riley McNeal | Jr. | Winnetka (New Trier) |
| 11 | 100-Yard Breaststroke | 2 | 1:03.10 | Brooke Eliacin | Sr. | Highland Park |
| 11 | 100-Yard Breaststroke | 3 | 1:03.43 | Nina Gatchell | Jr. | Evanston (Twp.) |
| 11 | 100-Yard Breaststroke | 4 | 1:04.01 | Alexis Kiriakopoulos | So. | Gurnee (Warren) |
| 11 | 100-Yard Breaststroke | 5 | 1:04.13 | Lucia Negro | Sr. | St. Charles (North) |
| 11 | 100-Yard Breaststroke | 6 | 1:04.24 | Kate Kelly | Sr. | Wilmette (Loyola Academy) |
| 11 | 100-Yard Breaststroke | 7 | 1:04.40 | June Dichtel | Sr. | Winnetka (New Trier) |
| 11 | 100-Yard Breaststroke | 8 | 1:04.98 | Gabi Szymanski | Sr. | Park Ridge (Maine South) |
| 11 | 100-Yard Breaststroke | 9 | 1:05.05 | Avery Warren | Jr. | Hinsdale (Central) |
| 11 | 100-Yard Breaststroke | 10 | 1:05.18 | Bailey Malloch | So. | Champaign (Central) |
| 11 | 100-Yard Breaststroke | 11 | 1:05.22 | Ryann Lehan | Sr. | West Chicago (H.S.) [Coop] |
| 11 | 100-Yard Breaststroke | 12 | 1:05.29 | Esmae Shen | Fr. | Lincolnshire (Stevenson) |
| 11 | 100-Yard Breaststroke | 13 | 1:05.41 | Livia Joern | Jr. | LaGrange (Lyons) |
| 11 | 100-Yard Breaststroke | 14 | 1:05.46 | Emme Jones | Jr. | Mt. Prospect (Prospect) |
| 11 | 100-Yard Breaststroke | 15 | 1:05.65 | Alex Suhre | Fr. | Edwardsville (H.S.) |
| 11 | 100-Yard Breaststroke | 16 | 1:05.81 | Brynn Marcus | Fr. | Lincolnshire (Stevenson) |
| 11 | 100-Yard Breaststroke | 17 | 1:05.91 | Elle Mesch | Fr. | Wilmette (Loyola Academy) |
| 11 | 100-Yard Breaststroke | 18 | 1:05.93 | Abby Thompson | Jr. | LaGrange (Lyons) |
| 11 | 100-Yard Breaststroke | 19 | 1:06.28 | Rashida Moosabhoy | Jr. | Hinsdale (Central) |
| 11 | 100-Yard Breaststroke | 20 | 1:06.34 | Gabriella Glasgow | Fr. | Darien (Hinsdale South) |
| 11 | 100-Yard Breaststroke | 21 | 1:06.37 | Madison Southwell | Jr. | Libertyville |
| 11 | 100-Yard Breaststroke | 22 | 1:06.37 | Brooklyn Landtiser | Jr. | Aurora (Waubonsie Valley) |
| 11 | 100-Yard Breaststroke | 23 | 1:06.47 | Erin Przekota | So. | Park Ridge (Maine South) |
| 11 | 100-Yard Breaststroke | 24 | 1:06.54 | Anastasia Komarova | So. | Carpentersville (Dundee-Crown) [Coop] |
| 11 | 100-Yard Breaststroke | 25 | 1:06.57 | Brenna Chan | Jr. | Darien (Hinsdale South) |
| 11 | 100-Yard Breaststroke | 26 | 1:06.57 | Aubrey Talaga | Sr. | Aurora (Waubonsie Valley) |
| 11 | 100-Yard Breaststroke | 27 | 1:06.61 | Molly Moore | Jr. | Naperville (Central) |
| 11 | 100-Yard Breaststroke | 28 | 1:06.82 | Vicky Makswiej | So. | Orland Park (Sandburg) |
| 11 | 100-Yard Breaststroke | 29 | 1:06.84 | Eva Johnson | So. | Chicago (Mother McAuley) |
| 11 | 100-Yard Breaststroke | 30 | 1:06.93 | Natalie Halpin | Fr. | Rock Island (H.S.) [Coop] |
| 11 | 100-Yard Breaststroke | 31 | 1:07.10 | Samantha Hara | So. | Deerfield (H.S.) |
| 11 | 100-Yard Breaststroke | 32 | 1:07.33 | Lucy Gura | Jr. | Byron [Coop] |
| 11 | 100-Yard Breaststroke | 33 | 1:07.86 | Jill Peele | Sr. | Oak Park (Fenwick) |
| 11 | 100-Yard Breaststroke | 34 | 1:08.24 | Ananya Patkar | So. | Chicago (Jones) [Coop] |
| 11 | 100-Yard Breaststroke | 35 | 1:08.25 | Emily Johnson | So. | Lockport (Twp.) |
| 11 | 100-Yard Breaststroke | 36 | 1:08.44 | Maya Happel | Sr. | Washington [Coop] |
| 12 | 400-Yard Freestyle Relay | 1 | 3:25.26 | | | Lincolnshire (Stevenson) |
| 12 | 400-Yard Freestyle Relay | 2 | 3:26.63 | | | Palatine (Fremd) |
| 12 | 400-Yard Freestyle Relay | 3 | 3:26.71 | | | Aurora (Rosary) |
| 12 | 400-Yard Freestyle Relay | 4 | 3:27.24 | | | Hinsdale (Central) |
| 12 | 400-Yard Freestyle Relay | 5 | 3:28.76 | | | LaGrange (Lyons) |
| 12 | 400-Yard Freestyle Relay | 6 | 3:28.78 | | | Wilmette (Loyola Academy) |
| 12 | 400-Yard Freestyle Relay | 7 | 3:29.42 | | | West Chicago (H.S.) [Coop] |
| 12 | 400-Yard Freestyle Relay | 8 | 3:29.75 | | | St. Charles (North) |
| 12 | 400-Yard Freestyle Relay | 9 | 3:29.77 | | | Winnetka (New Trier) |
| 12 | 400-Yard Freestyle Relay | 10 | 3:31.52 | | | Naperville (Neuqua Valley) |
| 12 | 400-Yard Freestyle Relay | 11 | 3:31.55 | | | Chicago (St. Ignatius College Prep) |
| 12 | 400-Yard Freestyle Relay | 12 | 3:31.94 | | | Carpentersville (Dundee-Crown) [Coop] |
| 12 | 400-Yard Freestyle Relay | 13 | 3:32.29 | | | Oak Park (Fenwick) |
| 12 | 400-Yard Freestyle Relay | 14 | 3:32.60 | | | Arlington Heights (Hersey) |
| 12 | 400-Yard Freestyle Relay | 15 | 3:32.84 | | | Naperville (Central) |
| 12 | 400-Yard Freestyle Relay | 16 | 3:33.02 | | | Lisle (Benet Academy) |
| 12 | 400-Yard Freestyle Relay | 17 | 3:34.17 | | | Oswego (East) [Coop] |
| 12 | 400-Yard Freestyle Relay | 18 | 3:34.24 | | | Roselle (Lake Park) |
| 12 | 400-Yard Freestyle Relay | 19 | 3:34.28 | | | Aurora (Waubonsie Valley) |
| 12 | 400-Yard Freestyle Relay | 20 | 3:34.82 | | | Elmhurst (York) |
| 12 | 400-Yard Freestyle Relay | 21 | 3:34.95 | | | Darien (Hinsdale South) |
| 12 | 400-Yard Freestyle Relay | 22 | 3:35.12 | | | Frankfort (Lincoln-Way East) |
| 12 | 400-Yard Freestyle Relay | 23 | 3:35.28 | | | Libertyville |
| 12 | 400-Yard Freestyle Relay | 24 | 3:36.48 | | | Evanston (Twp.) |
| 12 | 400-Yard Freestyle Relay | 25 | 3:37.06 | | | Naperville (North) |
| 12 | 400-Yard Freestyle Relay | 26 | 3:37.34 | | | Edwardsville (H.S.) |
| 12 | 400-Yard Freestyle Relay | 27 | 3:37.52 | | | Champaign (Central) |
| 12 | 400-Yard Freestyle Relay | 28 | 3:37.52 | | | Park Ridge (Maine South) |
| 12 | 400-Yard Freestyle Relay | 29 | 3:39.68 | | | Washington [Coop] |
| 12 | 400-Yard Freestyle Relay | 30 | 3:40.47 | | | Orland Park (Sandburg) |
| 12 | 400-Yard Freestyle Relay | 31 | 3:46.52 | | | Peoria (Notre Dame) |
| 12 | 400-Yard Freestyle Relay | 32 | 3:47.71 | | | Byron [Coop] |