| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Fan, Alyssa Y (15)
|
MRMAKO |
1:00.21 |
1:00.05 |
-0.16 |
| 2 |
Vega, Isabella M (12)
|
MRWEST |
1:03.30 |
1:01.10 |
-2.20 |
| 3 |
Lemieux, Robyn B (17)
|
MRHVD |
58.70 |
1:03.63 |
4.93 |
| 4 |
Bondikov, Sophia E (12)
|
MRWEST |
1:05.66 |
1:05.15 |
-0.51 |
| 5 |
Abrams, Anna M (16)
|
MRPAC |
1:01.85 |
1:05.65 |
3.80 |
| 6 |
Hagemaster, Marie E (17)
|
MRPAC |
1:04.84 |
1:07.15 |
2.31 |
| 7 |
Yang, Julia Y (15)
|
MRGAEL |
1:04.45 |
1:07.41 |
2.96 |
| 8 |
Berkenbosch, Julia (15)
|
NJCBGC |
1:05.80 |
1:07.58 |
1.78 |
| 9 |
Saric, Juliana M (17)
|
MRPAC |
1:03.25 |
1:08.02 |
4.77 |
| 10 |
Bertuccioli, Asia A (16)
|
MRGAEL |
1:12.30 |
1:08.67 |
-3.63 |
| 11 |
Wong, Kelly M (15)
|
MRUN |
1:10.50 |
1:09.46 |
-1.04 |
| 12 |
Callaghan, Anna (16)
|
MRCFJV |
1:10.48 |
1:11.33 |
0.85 |
| 13 |
MacDonald, Laura (14)
|
MRCFJV |
1:09.18 |
1:11.58 |
2.40 |
| 14 |
Curran, Elizabeth A (15)
|
MRSSL |
1:13.60 |
1:11.81 |
-1.79 |
| 15 |
Enze, Malia (15)
|
NJCBGC |
1:08.46 |
1:12.47 |
4.01 |
| 16 |
Bapis, Michaela M (17)
|
MRMAKO |
1:20.77 |
1:13.55 |
-7.22 |
| 17 |
Miriyagalla, Amaavi (17)
|
MRCFJV |
1:09.19 |
1:13.94 |
4.75 |
| 18 |
O'Donnell, Mairead E (17)
|
MRHVD |
1:07.73 |
1:14.81 |
7.08 |
| 19 |
Rabinowitz, Alana (17)
|
MRCFJV |
1:22.54 |
1:20.16 |
-2.38 |
| 20 |
Wrocenski, Alexandra (14)
|
NJCBGC |
1:32.27 |
1:25.73 |
-6.54 |
| 21 |
Jeon, Claire J (13)
|
MRHVD |
1:25.72 |
1:26.15 |
0.43 |