| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chu, Marissa (9)
|
MRPAC |
1:18.10 |
1:16.99 |
-1.11 |
| 2 |
Lord, Madison (9)
|
MRBAD |
1:14.02 |
1:17.29 |
3.27 |
| 3 |
Hartnagel, Olivia R (9)
|
MRTVSC |
1:16.61 |
1:19.38 |
2.77 |
| 4 |
Gohman, Sullivan W (9)
|
MRBAD |
1:21.18 |
1:19.86 |
-1.32 |
| 5 |
Jukic, Mia A (9)
|
MRAGUA |
1:24.58 |
1:20.84 |
-3.74 |
| 6 |
Czaja, Julia O (9)
|
MRLGAC |
1:20.23 |
1:21.36 |
1.13 |
| 7 |
Dassen, Arwen M (9)
|
MRTVSC |
1:23.51 |
1:21.54 |
-1.97 |
| 8 |
Somarriba, Gracie E (9)
|
MRCOND |
1:23.83 |
1:21.93 |
-1.90 |
| 9 |
Augustensen, Isabella M (8)
|
MRPAC |
1:25.21 |
1:22.09 |
-3.12 |
| 10 |
la Fleur, Grace C (9)
|
MRBGNW |
1:22.11 |
1:23.32 |
1.21 |
| 11 |
Tieng, Alexandra K (8)
|
MRBAD |
1:25.29 |
1:23.99 |
-1.30 |
| 12 |
Ringh, Anna V (9)
|
MRLIAC |
1:22.72 |
1:24.32 |
1.60 |
| 13 |
Vater, Annabelle A (9)
|
MRBKR |
1:25.29 |
1:24.58 |
-0.71 |
| 14 |
Emmerich, Peyton M (9)
|
MRTVSC |
1:24.10 |
1:24.69 |
0.59 |
| 15 |
Cullen, Moxie J (9)
|
MRLIAC |
1:23.88 |
1:26.16 |
2.28 |
|
DiBenedetto, Milania A (9)
|
MRPATS |
1:50.98 |
DQ |
- |
|
Crennan, Payton J (9)
|
MRSSC |
1:25.72 |
DQ |
- |