| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Greaves, Leah M (10)
|
MIDROP |
1:11.68 |
1:08.85 |
-2.83 |
| 2 |
Duijser, Charlotte (10)
|
LELESD |
1:17.44 |
1:15.45 |
-1.99 |
| 3 |
Stewart, Alice E (10)
|
LELESD |
1:17.64 |
1:18.80 |
1.16 |
| 4 |
Skoufis, Christina A (10)
|
ILLYON |
1:21.76 |
1:19.07 |
-2.69 |
| 5 |
Kratz, Kenlynn M (10)
|
ILMAVS |
1:24.35 |
1:19.26 |
-5.09 |
| 6 |
Conkey, Jessica R (10)
|
MIMCA |
1:22.08 |
1:19.32 |
-2.76 |
| 7 |
Leiger, Sarah M (10)
|
MINS |
1:21.47 |
1:20.18 |
-1.29 |
| 8 |
Jahimiak, Brooke E (10)
|
WISWAT |
1:25.87 |
1:21.82 |
-4.05 |
| 9 |
Tarraf, Mira L (10)
|
MIBBD |
1:24.14 |
1:22.66 |
-1.48 |
| 10 |
Torphy, Nola L (10)
|
ILFOX |
1:28.37 |
1:23.04 |
-5.33 |
| 11 |
Wikman, Peyton J (10)
|
ILWHTN |
1:27.52 |
1:23.18 |
-4.34 |
| 12 |
Hughes, Serena A (10)
|
WISWAT |
1:22.08 |
1:23.20 |
1.12 |
| 13 |
MacDonald, Tate R (9)
|
ILEXPR |
1:23.14 |
1:23.70 |
0.56 |
| 14 |
Bowker, Abigail A (10)
|
WIWEST |
1:23.51 |
1:24.29 |
0.78 |
| 15 |
Stowe, Samantha M (10)
|
ILLYON |
1:36.42 |
1:24.48 |
-11.94 |
| 16 |
Christensen, Alice C (10)
|
ILLYON |
1:27.94 |
1:25.02 |
-2.92 |
| 17 |
Gill, Stella Q (10)
|
WISWAT |
1:23.53 |
1:25.50 |
1.97 |
| 18 |
Talaga, Aubrey G (10)
|
ILFOX |
1:32.08 |
1:25.88 |
-6.20 |
| 19 |
Barrett, Alaina K (10)
|
ILMAVS |
1:30.13 |
1:26.66 |
-3.47 |
| 20 |
Foster, Kendall R (9)
|
ILSPY |
1:27.48 |
1:27.36 |
-0.12 |
| 21 |
Lauzen, Emma G (10)
|
ILMAVS |
1:30.42 |
1:28.24 |
-2.18 |
| 22 |
Finkelstein, Julia I (10)
|
ILMAVS |
1:30.28 |
1:30.26 |
-0.02 |
| 23 |
Wilson, Makenna R (10)
|
INBBSC |
1:35.16 |
1:30.60 |
-4.56 |
| 24 |
Owiti, Ariana A (10)
|
ILFOX |
1:36.52 |
1:32.46 |
-4.06 |
| 24 |
Ritter, Anna M (9)
|
MIBBA |
1:35.39 |
1:32.46 |
-2.93 |
| 26 |
Prillwitz, Keira E (10)
|
MIFFYS |
1:33.74 |
1:32.55 |
-1.19 |
| 27 |
Drisko, Olivia J (10)
|
INBBSC |
1:37.67 |
1:34.98 |
-2.69 |
| 28 |
Mowers, Rachel J (10)
|
MINS |
1:39.08 |
1:35.93 |
-3.15 |
| 29 |
Isaksen, Leah V (10)
|
MIBBA |
1:37.56 |
1:36.55 |
-1.01 |