| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wong, Jacqueline (12)
|
MRNYCC |
1:08.03 |
1:08.34 |
0.31 |
| 2 |
Teixidor-Salerno, Alegra M (11)
|
MRAGUA |
1:14.79 |
1:11.80 |
-2.99 |
| 3 |
Knox, Ella C (11)
|
MRAGUA |
1:12.85 |
1:12.38 |
-0.47 |
| 4 |
Baker, Nari A (12)
|
MRAGUA |
1:12.17 |
1:13.77 |
1.60 |
| 5 |
Asch, Gillian K (12)
|
MRAGUA |
1:11.30 |
1:13.92 |
2.62 |
| 6 |
Ross Allen, Zoe F (11)
|
MRAGUA |
1:18.59 |
1:16.17 |
-2.42 |
| 7 |
Hagmann, Riley L (11)
|
MRNYCC |
1:20.57 |
1:16.20 |
-4.37 |
| 8 |
Triedman, Eleanor G (12)
|
MRAGUA |
1:16.68 |
1:18.42 |
1.74 |
| 9 |
McGourty, Megan R (11)
|
MRBGNW |
1:20.05 |
1:18.53 |
-1.52 |
| 10 |
Hall, Nicole (12)
|
MRAGUA |
1:22.03 |
1:18.70 |
-3.33 |
| 11 |
Zhukovsky, Lydia * (11)
|
MRAGUA |
1:19.60 |
1:19.40 |
-0.20 |
| 12 |
Thompson, Winifred A (12)
|
MRNYCC |
1:30.95 |
1:24.59 |
-6.36 |
| 13 |
Cattanach, Clara (11)
|
MRBGNW |
|
1:27.49 |
- |
| 14 |
So, Angelina (12)
|
MRNYCC |
1:41.78 |
1:29.64 |
-12.14 |
| 15 |
Ward, Amelia (11)
|
MRRIST |
|
1:36.67 |
- |
| 16 |
Lane, Caroline G (11)
|
MRBGNW |
2:22.01 |
1:47.98 |
-34.03 |