| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wang, Carolyn (17)
|
MATWAC |
1:04.71 |
1:07.95 |
3.24 |
| 1 |
Sprague, Phoebe R (15)
|
MASTRM |
1:09.40 |
1:08.93 |
-0.47 |
| 1 |
Rearson, Emma (17)
|
NJULIF |
1:29.99 |
1:14.88 |
-15.11 |
| 2 |
Stevenson, Elizabeth A (15)
|
MASTRM |
1:06.68 |
1:08.58 |
1.90 |
| 2 |
Cullen, Jocelyn C (16)
|
NJRA |
1:09.11 |
1:09.43 |
0.32 |
| 2 |
Sprague, Grace V (16)
|
MASTRM |
1:19.46 |
1:18.55 |
-0.91 |
| 3 |
Kelly, Mairead C (15)
|
NJRA |
1:06.71 |
1:09.02 |
2.31 |
| 3 |
Wolfgang, Marielle A (17)
|
MASTRM |
1:11.62 |
1:12.84 |
1.22 |
| 3 |
Stewart, Isabelle F (17)
|
MASTRM |
1:16.73 |
1:20.88 |
4.15 |
| 4 |
Gallman, Jayla D (16)
|
MASTRM |
1:12.54 |
1:18.50 |
5.96 |
| 4 |
Coleman, Michayla M (17)
|
MAJRAY |
1:24.29 |
1:25.36 |
1.07 |
|
Billings, Emma K (18)
|
MATWAC |
1:06.92 |
NS |
- |
|
Smith, Lily R (16)
|
MATWAC |
1:10.37 |
NS |
- |