| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Anderson, Samantha R (10)
|
MRLIAC |
1:17.89 |
1:14.72 |
-3.17 |
| 2 |
Pitches, Daisy M (10)
|
MREHY |
1:16.41 |
1:17.69 |
1.28 |
| 3 |
Wu, Natalie (10)
|
MRLIAC |
1:20.23 |
1:17.88 |
-2.35 |
| 4 |
McDonald, Cara B (10)
|
MRLIAC |
1:20.97 |
1:19.25 |
-1.72 |
| 5 |
Lee, Yuna (9)
|
MRLIAC |
1:21.60 |
1:19.77 |
-1.83 |
| 6 |
Lin, Orly (10)
|
MRYFD |
1:21.53 |
1:22.59 |
1.06 |
| 7 |
Riva, Isabella M (9)
|
MRJCCT |
1:22.28 |
1:23.43 |
1.15 |
| 8 |
Doran, Molly K (10)
|
MRLIAC |
1:22.51 |
1:23.51 |
1.00 |
| 9 |
Brun, Sienna R (10)
|
MRAPEX |
1:26.15 |
1:24.78 |
-1.37 |
| 10 |
Sawyer, Victoria R (10)
|
MRLIAC |
1:24.12 |
1:24.96 |
0.84 |
| 11 |
Lam, Koiip (10)
|
MRLIAC |
1:26.02 |
1:26.04 |
0.02 |
| 12 |
Siegel, Alexandra R (8)
|
MRLIAC |
1:25.87 |
1:29.30 |
3.43 |
| 13 |
Gvozdeva, Victoria V (10)
|
MRBKR |
1:35.82 |
1:31.49 |
-4.33 |
| 14 |
Suzana, Josephine (8)
|
MRAPEX |
1:32.57 |
1:31.99 |
-0.58 |
| 15 |
Metz, Lylah R (10)
|
MREHY |
1:28.46 |
1:33.06 |
4.60 |
| 16 |
Chaploutsky, Polina (9)
|
NJAQRC |
1:29.37 |
1:33.69 |
4.32 |
| 17 |
Nicholas, Tess A (10)
|
MRJCCT |
1:28.91 |
1:35.90 |
6.99 |
| 18 |
McDonald, Keira M (9)
|
MRBAD |
1:44.32 |
1:37.06 |
-7.26 |
| 19 |
McBreen, Carolyn A (9)
|
MRBAD |
1:40.04 |
1:43.18 |
3.14 |
| 20 |
Simes, Ella C (9)
|
MRJCCT |
1:41.79 |
1:43.46 |
1.67 |
| 21 |
Scott, Fiona A (9)
|
MRBKR |
1:54.93 |
1:44.14 |
-10.79 |
| 22 |
Uyanik, Alara A (9)
|
MRJCCT |
2:03.79 |
1:46.15 |
-17.64 |
| 23 |
Gregory, Graysen M (9)
|
MREHY |
1:50.23 |
1:51.12 |
0.89 |
| 24 |
Leon Rosenfield, Carine D (8)
|
MRBKR |
1:49.74 |
1:53.07 |
3.33 |
| 25 |
Nguyen, Celie A (7)
|
MRJCCT |
2:04.84 |
2:04.31 |
-0.53 |
| 26 |
Smith, Charli Jane A (9)
|
MRJCCT |
|
2:05.19 |
- |
| 27 |
Fink, Abby J (9)
|
MRJCCT |
|
2:08.88 |
- |
|
Odinec, Arianna A (9)
|
MRJCCT |
|
DQ |
- |