| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kaps, Martyna (16)
|
MRMPNY |
1:04.30 |
1:06.74 |
2.44 |
| 2 |
Afanasewicz, Carly M (14)
|
MRPAC |
1:06.63 |
1:07.39 |
0.76 |
| 3 |
West, Makeda D (15)
|
CTZEUS |
1:08.14 |
1:09.13 |
0.99 |
| 4 |
Law, Brianna (17)
|
MRMPNY |
1:11.59 |
1:12.25 |
0.66 |
| 5 |
Catanzaro, Maizie J (15)
|
MRPAC |
1:09.98 |
1:12.27 |
2.29 |
| 6 |
Fedor, Kate O (16)
|
CTZEUS |
1:12.48 |
1:12.60 |
0.12 |
| 7 |
Zullo, Marabella D (17)
|
CTZEUS |
1:15.26 |
1:17.89 |
2.63 |
| 8 |
Behr, Emily H (16)
|
CTZEUS |
1:16.21 |
1:17.90 |
1.69 |
| 9 |
Nestler, Maura K (16)
|
MRPATS |
1:14.09 |
1:18.55 |
4.46 |
| 10 |
Rozman, Miriam S (16)
|
MRPAC |
1:16.77 |
1:19.50 |
2.73 |
| 11 |
Thompson, Emily V (18)
|
CTZEUS |
1:12.21 |
1:20.32 |
8.11 |
| 12 |
Natlo, Hannah C (17)
|
CTZEUS |
1:28.06 |
1:22.29 |
-5.77 |
| 13 |
Donikyan, Sofia M (15)
|
MRPATS |
1:17.05 |
1:22.31 |
5.26 |
| 14 |
Scully, Christine E (16)
|
CTZEUS |
1:21.50 |
1:22.62 |
1.12 |
| 15 |
Frey, Dolores (14)
|
MREAST |
1:14.05 |
1:23.31 |
9.26 |
| 16 |
Blaho, Emma V (8)
|
MREAST |
1:23.68 |
1:23.47 |
-0.21 |
| 17 |
Burdzicki, Victoria M (17)
|
CTZEUS |
1:23.60 |
1:25.35 |
1.75 |
| 18 |
Dotter Tse, Emi O (14)
|
MREAST |
1:21.77 |
1:25.46 |
3.69 |
| 19 |
Numeroff, Alexandra J (15)
|
MRPATS |
1:31.04 |
1:28.03 |
-3.01 |
| 20 |
Salazar, Cecilia (15)
|
MRPATS |
1:41.13 |
1:41.97 |
0.84 |
|
Stidolph, Julia F (17)
|
CTZEUS |
1:15.90 |
1:13.73 |
-2.17 |