| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Anderson, Emma R (10)
|
MRLIAC |
1:23.22 |
1:24.84 |
1.62 |
| 2 |
Dzieciolowski, Sophie L (10)
|
MRLIAC |
1:26.00 |
1:25.83 |
-0.17 |
| 3 |
So, Madison B (10)
|
MRLIAC |
1:25.42 |
1:28.57 |
3.15 |
| 4 |
Schneider, Alexandra G (10)
|
MRLIAC |
1:30.37 |
1:30.58 |
0.21 |
| 5 |
McNulty, Emma G (10)
|
MRLIAC |
1:32.04 |
1:31.36 |
-0.68 |
| 6 |
Kelly, Grace K (9)
|
MRSS |
1:29.82 |
1:32.33 |
2.51 |
| 7 |
Li, Harmony Y (10)
|
MRLIAC |
1:35.55 |
1:35.26 |
-0.29 |
| 8 |
Dring, Samantha R (9)
|
MRLIAC |
1:30.43 |
1:36.08 |
5.65 |
| 9 |
Walker, Lucy E (9)
|
MRSS |
1:36.02 |
1:38.05 |
2.03 |
| 10 |
Polito, Lauren E (9)
|
MRHS |
1:53.33 |
1:49.24 |
-4.09 |
| 11 |
Winters, Mia E (10)
|
MRHS |
1:44.00 |
1:51.09 |
7.09 |
| 12 |
Zucker, Petra (10)
|
NJMALT |
1:58.82 |
1:58.22 |
-0.60 |
| 13 |
Gatterdam, Lyla (9)
|
MRSS |
1:57.76 |
2:01.15 |
3.39 |
| 14 |
Bahl, Sangeeta (9)
|
MRFAST |
2:19.14 |
2:01.45 |
-17.69 |
| 15 |
Mischka, Camilla E (9)
|
MRSS |
2:04.25 |
2:12.77 |
8.52 |