| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Klein, Farrah M (10)
|
MRTS |
1:11.02 |
1:07.49 |
-3.53 |
| 2 |
Coulthard, Tamsin A (10)
|
MRYMID |
1:14.05 |
1:12.27 |
-1.78 |
| 3 |
Hill, Anna (9)
|
MRYMID |
1:13.39 |
1:12.46 |
-0.93 |
| 4 |
Haydt, Abigail G (9)
|
MRNBS |
1:21.61 |
1:21.99 |
0.38 |
| 5 |
Wang, Bethany B (7)
|
NIKRKN |
1:20.08 |
1:22.75 |
2.67 |
| 6 |
Bassett, Jessica J (9)
|
MRLBA |
1:23.62 |
1:23.72 |
0.10 |
| 7 |
Ogaki, Asa (8)
|
MRYMID |
1:25.48 |
1:24.34 |
-1.14 |
| 8 |
Piscitella, Vivian I (10)
|
MRNBS |
1:33.52 |
1:25.49 |
-8.03 |
| 9 |
Burgarelli, Carmen A (9)
|
MRNBS |
1:24.70 |
1:25.53 |
0.83 |
| 10 |
Proper, Melanie J (10)
|
MRLBA |
1:34.13 |
1:27.73 |
-6.40 |
| 11 |
Tom, Veronica C (9)
|
MRLBA |
1:33.63 |
1:28.59 |
-5.04 |
| 12 |
Morris, Leila M (10)
|
MRNYSA |
1:42.80 |
1:30.79 |
-12.01 |
| 13 |
Walsh, Leah E (9)
|
MRNBS |
1:34.45 |
1:31.57 |
-2.88 |
| 14 |
Grob, Riley C (8)
|
MRNYSA |
1:42.85 |
1:34.53 |
-8.32 |
| 15 |
Moriarty, Finella S (9)
|
MRLBA |
1:39.66 |
1:40.91 |
1.25 |
| 16 |
Ruback, Alena L (10)
|
MRNBS |
1:47.51 |
1:41.67 |
-5.84 |
| 17 |
Filipkowski, Chloe J (7)
|
MRNBS |
1:56.31 |
1:42.22 |
-14.09 |
| 18 |
Broge, Amelia H (7)
|
MRWSSC |
2:03.38 |
1:42.44 |
-20.94 |
| 19 |
Wash, Emily K (9)
|
MRLBA |
1:46.22 |
1:43.45 |
-2.77 |
| 20 |
Joachim, Gianna M (7)
|
MRNBS |
1:36.95 |
1:43.90 |
6.95 |
| 21 |
Moriarty, Machara B (9)
|
MRLBA |
1:43.49 |
1:44.43 |
0.94 |
| 22 |
Glancey, Madeline A (9)
|
MRRFAC |
1:43.15 |
1:45.19 |
2.04 |
| 23 |
Broge, Eleanor H (7)
|
MRWSSC |
|
1:47.82 |
- |
| 24 |
Abbruzzese, Shylah D (8)
|
MRRFAC |
2:08.55 |
1:50.12 |
-18.43 |
| 25 |
Hicks, Juliana M (9)
|
MRNBS |
|
1:58.04 |
- |
| 26 |
Chiappetta, Isabella L (8)
|
MRRFAC |
2:19.78 |
2:03.66 |
-16.12 |
| 27 |
Woods, Belicia N (10)
|
MRNBS |
2:07.41 |
2:05.70 |
-1.71 |