| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Danastasio, Giovanna M (12)
|
MAWAVE |
1:18.17 |
1:13.12 |
-5.05 |
| 2 |
Gaskill, Grace I (12)
|
MAPVA |
1:14.48 |
1:13.23 |
-1.25 |
| 3 |
Yushan, Denise (11)
|
MAPVA |
1:22.92 |
1:14.06 |
-8.86 |
| 4 |
Valle, Isabela (11)
|
MAGPAC |
1:15.57 |
1:17.33 |
1.76 |
| 5 |
Gray, Elizabeth C (12)
|
MASERP |
1:18.10 |
1:19.05 |
0.95 |
| 6 |
Andryca, Emily E (11)
|
MAWAVE |
1:17.98 |
1:19.74 |
1.76 |
| 7 |
Williams, Savannah R (12)
|
MASAKA |
1:26.28 |
1:20.16 |
-6.12 |
| 8 |
Soboleva, Elizaveta A (11)
|
MAUN |
|
1:20.43 |
- |
| 9 |
Zingle, Kala (11)
|
MASAKA |
1:23.86 |
1:21.04 |
-2.82 |
| 10 |
Hadley, Emma S (11)
|
MASAKA |
|
1:28.37 |
- |
| 11 |
Keagy, Jennifer M (11)
|
MAPWAC |
1:25.77 |
1:31.70 |
5.93 |
| 12 |
Askarova, Aliia (11)
|
MAORCA |
1:35.80 |
1:33.20 |
-2.60 |
| 13 |
Zaker, Maimoonah K (11)
|
MASERP |
1:51.53 |
1:47.57 |
-3.96 |