| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Murray, Miranda B (12)
|
MAPFY |
1:23.27 |
1:15.21 |
-8.06 |
| 2 |
Riegel, Julia K (12)
|
MACBST |
1:17.46 |
1:18.95 |
1.49 |
| 3 |
Brennan, Isabella L (11)
|
MAGPAC |
1:22.44 |
1:20.63 |
-1.81 |
| 4 |
Barlow, Lauren K (12)
|
MAWAVE |
1:25.25 |
1:22.01 |
-3.24 |
| 5 |
Thompson, Paris J (11)
|
MASAKA |
1:27.66 |
1:22.70 |
-4.96 |
| 6 |
Okongwu, Amara R (12)
|
MASERP |
1:28.49 |
1:27.15 |
-1.34 |
| 7 |
Wiley, Maggie A (12)
|
MANRG |
1:27.92 |
1:29.99 |
2.07 |
| 8 |
Bryson, Morgan S (12)
|
MASERP |
1:41.14 |
1:32.83 |
-8.31 |
| 9 |
McElwain, Audrey S (11)
|
MAJRAY |
1:36.68 |
1:33.15 |
-3.53 |
| 10 |
Gravuer, Kiersten M (12)
|
MANRG |
1:40.83 |
1:37.93 |
-2.90 |
| 11 |
Okongwu, Ijenu U (11)
|
MASERP |
1:40.13 |
1:38.16 |
-1.97 |
| 12 |
Muhammad, Samyyah M (11)
|
MASAKA |
1:39.92 |
1:38.33 |
-1.59 |
| 13 |
Henry, Kameryn L (11)
|
MASERP |
1:39.93 |
1:43.39 |
3.46 |
| 14 |
McKiernan, Shannon L (11)
|
MAJRAY |
1:44.74 |
1:50.98 |
6.24 |
| 15 |
Campbell, Maya A (11)
|
MAGPAC |
2:02.17 |
1:55.47 |
-6.70 |
| 16 |
Schwab, Solomaya F (12)
|
MASERP |
|
2:26.03 |
- |
|
Thut, Emilia (12)
|
MASERP |
2:06.78 |
NS |
- |
|
Williams, Skye C (11)
|
MASAKA |
1:38.14 |
NS |
- |
|
Bokarev, Anna (11)
|
MANRG |
1:34.69 |
NS |
- |
|
Bongiorno, Madeline G (12)
|
MAGPAC |
1:31.83 |
NS |
- |