| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thornton, Hannah E (15)
|
MAJY |
1:08.35 |
1:10.59 |
2.24 |
| 2 |
Chase, Mimi (16)
|
MAWSY |
1:10.42 |
1:10.84 |
0.42 |
| 3 |
Savory, Alexandra M (15)
|
MAJY |
1:17.01 |
1:10.94 |
-6.07 |
| 4 |
Santa Cruz, Nerissa L (17)
|
NJJFAC |
|
1:12.16 |
- |
| 5 |
Alferez, Veronica (17)
|
NJJFAC |
|
1:12.27 |
- |
| 6 |
Morse, Elle C (15)
|
NJJFAC |
|
1:12.30 |
- |
| 7 |
Nesland, Nicole R (17)
|
USMA U |
1:13.30 |
1:12.46 |
-0.84 |
| 8 |
Ianiro, Kaitlyn E (18)
|
NJJFAC |
1:21.87 |
1:18.74 |
-3.13 |
| 9 |
Konefal, Sarah Brigid B (18)
|
NJJFAC |
|
1:19.96 |
- |
| 10 |
Dwyer, Gillian M (15)
|
NJJFAC |
|
1:25.06 |
- |
| 11 |
Zaffiro, Briana K (15)
|
MAPSC |
1:26.18 |
1:29.72 |
3.54 |