| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Yacoviello, Molly E (12)
|
MAYY |
1:08.19 |
1:05.49 |
-2.70 |
| 2 |
Phifer, Isabelle R (12)
|
MAYY |
1:08.01 |
1:05.98 |
-2.03 |
| 3 |
Bendis, Carley J (11)
|
MDNBAC |
1:11.27 |
1:08.57 |
-2.70 |
| 4 |
McCallister, Faith A (12)
|
MDNBAC |
1:12.92 |
1:09.27 |
-3.65 |
| 5 |
Conway, Shannon C (11)
|
MDNBAC |
1:13.22 |
1:09.54 |
-3.68 |
| 6 |
Eckert, Jayla M (12)
|
MAYY |
1:10.73 |
1:11.20 |
0.47 |
| 7 |
Yerrick, Lady Berlin G (11)
|
MDNBAC |
1:15.77 |
1:11.38 |
-4.39 |
| 8 |
Meng, Yixi (12)
|
MDNBAC |
1:13.08 |
1:12.47 |
-0.61 |
| 9 |
Williams, Lydia E (12)
|
MAYY |
1:12.23 |
1:12.69 |
0.46 |
| 10 |
Thompson, Allison C (12)
|
MDNBAC |
1:13.96 |
1:14.30 |
0.34 |
| 11 |
Hosley, Abrianna A (12)
|
MAUN1 |
1:15.89 |
1:15.94 |
0.05 |
| 12 |
Vijayan, Sophie K (12)
|
MDNBAC |
1:17.90 |
1:17.80 |
-0.10 |
| 13 |
Kalmanowicz, Lauren G (11)
|
MAYY |
1:27.77 |
1:22.34 |
-5.43 |
| 14 |
Missry, Victoria A (11)
|
MDNBAC |
1:26.96 |
1:24.53 |
-2.43 |
| 15 |
Anisiobi, Calia C (11)
|
MDNBAC |
1:26.05 |
1:24.71 |
-1.34 |
| 16 |
Walker, Madeleine M (12)
|
MDNBAC |
1:35.56 |
1:28.89 |
-6.67 |