| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Valentini, Ilaria (15)
|
MRPAC |
1:00.17 |
1:02.90 |
2.73 |
| 2 |
Vitale, Miya N (15)
|
MRPATS |
1:00.99 |
1:04.11 |
3.12 |
| 3 |
Eforo, Danielle (15)
|
MRGAEL |
1:02.46 |
1:04.24 |
1.78 |
| 4 |
Martin, Alyssa D (17)
|
MRPATS |
1:03.45 |
1:05.88 |
2.43 |
| 5 |
Mcdonough, Madison R (17)
|
MRPAC |
58.18 |
1:05.89 |
7.71 |
| 6 |
Sandoval, Candela (15)
|
MRQNS |
1:05.92 |
1:06.07 |
0.15 |
| 7 |
Wong, Allison L (16)
|
MRLIAC |
1:06.67 |
1:06.97 |
0.30 |
| 8 |
Zhou, Katherine (16)
|
MRAPEX |
1:04.74 |
1:07.03 |
2.29 |
| 9 |
Conlan, Olivia (15)
|
MRQNS |
1:06.20 |
1:07.07 |
0.87 |
| 10 |
Shannon, Kayla (17)
|
MRGAEL |
1:03.21 |
1:07.64 |
4.43 |
| 11 |
Gargiulo, Olivia M (15)
|
MRGAEL |
1:10.09 |
1:07.81 |
-2.28 |
| 12 |
Zhao, Joanna J (16)
|
MRAPEX |
NT |
1:07.90 |
67.90 |
| 13 |
Javier, Chrisabella K (15)
|
MRAPEX |
1:11.40 |
1:08.03 |
-3.37 |
| 14 |
Flynn, Grace C (16)
|
MRPAC |
1:06.30 |
1:09.43 |
3.13 |
| 15 |
Suzana, Arlene (16)
|
MRAPEX |
1:07.32 |
1:09.81 |
2.49 |
| 16 |
Saric, Juliana M (16)
|
MRPAC |
1:03.25 |
1:11.14 |
7.89 |
| 17 |
Davis, Margaret A (16)
|
MRSSL |
1:05.31 |
1:11.36 |
6.05 |
| 18 |
Getsos, Dahlia (17)
|
MRPAC |
1:07.68 |
1:12.70 |
5.02 |
| 19 |
Skoglund, Emma G (17)
|
MRSSL |
1:06.26 |
1:12.93 |
6.67 |
| 20 |
Chin, Jenna (16)
|
MRLIAC |
1:11.78 |
1:13.91 |
2.13 |
| 21 |
Palamaro, Isabella A (16)
|
MRTRS |
NT |
1:16.09 |
76.09 |
| 22 |
Bertuccioli, Asia A (15)
|
MRGAEL |
1:13.31 |
1:16.18 |
2.87 |
| 23 |
Genco, Olivia A (16)
|
MRPAC |
1:16.25 |
1:16.49 |
0.24 |
| 24 |
Latarski, Riley A (15)
|
MRTRS |
1:22.09 |
1:17.80 |
-4.29 |
| 25 |
Boneville, Ava M (16)
|
MRLIAC |
1:25.89 |
1:27.59 |
1.70 |
| 26 |
Negast, Taylor N (15)
|
MRPAC |
1:04.80 |
DQ |
- |
| 27 |
Sampath, Kristyn M (17)
|
MRPAC |
1:08.64 |
NS |
- |
| 28 |
Marzano, Haleigh M (17)
|
MRPAC |
1:00.72 |
NS |
- |
| 29 |
Novielli, Caitlin A (16)
|
MRTRS |
1:24.32 |
NS |
- |
| 30 |
Yoo, Kaitlyn (17)
|
MRPAC |
1:00.43 |
NS |
- |