Girls 4x400m -
| Team | AThlete 1 | Time | Athlete 2 | Time | Athlete 3 | Time | Athlete 4 | Time | Total |
|---|---|---|---|---|---|---|---|---|---|
| Prospect | Lily Ginsberg | 60.18 | Cameron Kalaway | 62.02 | Meg Peterson | 59.70 | Hailey Erickson | 62.31 | 4:02.81 |
| Batavia | Skylar Sandoval | 62.56 | Madison Wilson | 62.00 | Isabelle Taylor | 60.95 | Mariah Wilson | 61.42 | 4:05.53 |
| Plainfield North | Lauren Dellangelo | 59.94 | Tessa Russo | 63.34 | Alex Eydenberg | 63.09 | Natalie Liapis | 63.18 | 4:08.15 |
| Neuqua Valley | Zawadi Brown | 58.13 | Tolu Aremu | 65.40 | Ava Belle | 65.00 | Olivia Dalson | 62.19 | 4:09.32 |
| Lincoln-Way East | Olivia Donaldson | 60.77 | Kyra Hayden | 63.41 | Alaina Pollard | 64.00+ | Kendall Crossley | 62.98 | 4:09.76 |
| Prospect (B) | Kaitlin Skelton | 63.32 | Charlotte Deines | 62.29 | Samantha Skowronski | 62.77 | Melody Patterson | 63.27 | 4:10.25 |
| Lyons Township | Rebecca Phillips | 59.57 | Madison Findley | 64.39 | Claire McVady | 63.76 | Kristina Findley | 64.63 | 4:10.95 |
| West Aurora | Avery Littlejohn | 60.34 | Rose Orrala | 64.19 | Delilah Lott | 62.72 | Isabella Ovalle | 65.49 | 4:11.34 |
| Minooka | Cassie Fuhrman | 63.64 | Eliana Culpepper | 60.92 | Caprice Rodely | 60.95 | Gabrielle Kics | 68.64 | 4:12.75 |
| Plainfield East | Ally Wojciechowski | 61.85 | Jocelyn Trotter | 65.30 | Bryah Beatty | 61.77 | Ava Mabry-Spencer | 65.33 | 4:12.85 |
| Loyola Academy | Kathryn San Roman | 63.59 | Lieselle Curry | 63.80 | Makena Coltoff | 64.43 | Ali Banaszek | 63.71 | 4:14.13 |
| Hinsdale Central | Christina Tresslar | 66.74 | Lily Hodneland | 60.74 | Ana Hodneland | 62.95 | Zari Dorris | 65.94 | 4:14.97 |
| Whitney Young | Kayla Riepe | 63.17 | Mia Seaton | 62.55 | Claudia Ouimet | 67.72 | Kori Henderson | 63.78 | 4:15.82 |
| Sandburg | Katie Roche | 64.28 | Isabel Calderon | 63.63 | Carrington Landers | 64.33 | Klaudia Sieczka | 65.28 | 4:16.12 |
| Yorkville | Allegra Triner | 61.32 | Makenna Edwards | 67.00+ | Sophia Keeler | 67.00+ | Katie Melzer | 63.19 | 4:17.11 |
| Lane Tech | Charlotte Price | 61.75 | Claire Davis | 64.61 | Charlotte Muller | 65.41 | Nicole Collins | 68.20 | 4:18.57 |
| Bolingbrook | Chinenye Ifeajekwu | 59.94 | Kristyn Johnson | 72.85 | Gianna Barajas | 66.07 | Brooklyn Boyce | 61.33 | 4:18.79 |
| Downers Grove North | Ava Gilley | 63.90+ | Sydney Hnatiuk | 66.40+ | Sarah Paul | 68.65 | Veronica LaSota | 62.35 | 4:19.90 |
| St. Ignatius | Meghan Semmer | 64.29 | Courtney Beatty | 65.13 | Maeve Griffin | 64.99 | Ania DuQue | 67.00 | 4:20.01 |
| Downers Grove North (B) | Kathleen Crilly | 65.00+ | Hannah Renner | 64.92 | Molly Steiner | 67.00+ | Lily Eddington | 65.00+ | 4:20.52 |
| Naperville Central | Eloise Graft | 69.30+ | Lola Satre-Morales | 62.23 | Julia Laird | 66.85 | Brooke Sawatzky | 65.31 | 4:22.29 |
| Glenbard East | Mackenzie Huber | 61.27 | Erica Long | 68.54 | Aubrey Kitahata | 66.00+ | Andie Novak | 69.00+ | 4:23.41 |
| Benet Academy | Nicole Grimes | 63.89 | Isabella Olivares | 66.46 | Diana Singzon | 69.49 | Julia Rodriguez | 66.90 | 4:25.34 |
| Lockport | Sydney Fontaine | 61.41 | Kayla Shea | 68.06 | Kamile Bickute | 66.00 | Lillian Slowik | 71.45 | 4:25.52 |
| St.Charles North | Zoe Ulaszek | 66.92 | Braelyn Rich | 65.58 | Carly Coxworth | 67.78 | Ava Miedema | 67.50+ | 4:26.38 |
| Carmel | Nora Christensen | 65.52 | Ashley Coe | 65.82 | Norah Belmonte | 67.63 | Ashlyn Beattie | 69.00+ | 4:26.57 |
| Downers Grove South | Skyler Tomecki | 66.29 | Elizabeth Culcasi | 70.00+ | Sophie Ring | 66.80+ | Nora Joy | 66.60+ | 4:28.29 |
| Wheaton North | Maddie Romaine | 69.74 | Lexi Kolomay | 69.00+ | Angelina Grimm | 67.70 | Sophie Meade | 67.38 | 4:32.42 |
| Downers Grove South (B) | Natreya Jenkins | 67.00+ | Jessica Lander | 69.00+ | Klaudia Sztafa | 69.00+ | Mariah Gonzalez | 69.00+ | 4:32.60 |
| Shepard | Kyla Motley | 65.00+ | Mia Gill | 69.12 | Breunna McCutcheon | 68.54 | Jessica Manley | 72.00+ | 4:33.26 |
| Glenbard South | Ella Zeman | 68.96 | Allison Wallner | 71.24 | Simone Witort | 72.04 | Gianna Huerta | 63.94 | 4:34.78 |
| Kaneland | Lindsey Andrae | 65.23 | Jessica Phillipp | 67.87 | Olivia Pastovich | 69.29 | Abigail Lechocki | 75.00+ | 4:35.99 |
| Hoffman Estates | Chloe Cruz | 70.00+ | Rori Patrick | 72.68 | Yu Li Lin | 72.05 | Yu Xin Lin | 68.47 | 4:41.80 |
| Downers Grove South (C) | Audrey Dunn | 77.23 | Kailyn Parker | 71.92 | Allison Mytys | 67.73 | Riley Kulaga | 71.20 | 4:46.68 |
| Riverside-Brookfield | Bryce Pacourek | 66.34 | Joaliz Rodriguez | 71.62 | Gianna Gelb | 87.62 | Quinn Kahle | 71.00+ | 4:55.18 |
| Niles North | Nana Adwoa Sarpong | 75.86 | Lindsey Klaus | 70.56 | Lindsey Garcia | 78.00+ | Amber Weatherspoon | 76.00+ | 4:59.02 |
Overall -
| Prospect | 4:02.81 |
| Batavia | 4:05.53 |
| Plainfield North | 4:08.15 |
| Neuqua Valley | 4:09.32 |
| Lincoln-Way East | 4:09.76 |
| Prospect (B) | 4:10.25 |
| Lyons Township | 4:10.95 |
| West Aurora | 4:11.34 |
| Minooka | 4:12.75 |
| Plainfield East | 4:12.85 |
| Loyola Academy | 4:14.13 |
| Hinsdale Central | 4:14.97 |
| Whitney Young | 4:15.82 |
| Sandburg | 4:16.12 |
| Yorkville | 4:17.11 |
| Lane Tech | 4:18.57 |
| Bolingbrook | 4:18.79 |
| Downers Grove North | 4:19.90 |
| St. Ignatius | 4:20.01 |
| Downers Grove North (B) | 4:20.52 |
| Naperville Central | 4:22.29 |
| Glenbard East | 4:23.41 |
| Benet Academy | 4:25.34 |
| Lockport | 4:25.52 |
| St.Charles North | 4:26.38 |
| Carmel | 4:26.57 |
| Downers Grove South | 4:28.29 |
| Wheaton North | 4:32.42 |
| Downers Grove South (B) | 4:32.60 |
| Shepard | 4:33.26 |
| Glenbard South | 4:34.78 |
| Kaneland | 4:35.99 |
| Hoffman Estates | 4:41.80 |
| Downers Grove South (C) | 4:46.68 |
| Riverside-Brookfield | 4:55.18 |
| Niles North | 4:59.02 |