| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Gravereaux, Chelsea H (16)
|
MAEMAC |
51.43 |
53.59 |
2.16 |
| 2 |
Roesch, Raquelle S (16)
|
MABLUE |
53.58 |
55.39 |
1.81 |
| 3 |
O'Brien, Amelia N (17)
|
MABLUE |
55.04 |
57.02 |
1.98 |
| 4 |
Devlin, Elise (17)
|
MABLUE |
54.04 |
57.54 |
3.50 |
| 5 |
McNulty, Peyton (16)
|
MAPFY |
57.02 |
58.00 |
0.98 |
| 6 |
Castano, Angela (18)
|
MAUN-E |
|
58.70 |
- |
| 7 |
Campbell, Cailin (16)
|
MAPFY |
58.31 |
58.77 |
0.46 |
| 8 |
Champagne, Margaret M (16)
|
MAEMAC |
57.79 |
58.83 |
1.04 |
| 9 |
Wasson, Hannah R (16)
|
MABLUE |
1:02.59 |
59.74 |
-2.85 |
| 10 |
Serafin, Emilia (16)
|
MABLUE |
57.75 |
1:00.72 |
2.97 |
| 11 |
Prushinski, Alison C (16)
|
MABDA |
|
1:01.05 |
- |
| 12 |
Nelson, Caroline A (16)
|
MAEMAC |
59.90 |
1:01.13 |
1.23 |
| 13 |
Brown, Colleen (17)
|
MABDA |
1:07.58 |
1:01.99 |
-5.59 |
| 14 |
Yerger, Jordyn M (16)
|
MAEMAC |
59.89 |
1:03.88 |
3.99 |
| 15 |
Pedraza, Isabella (16)
|
MABLUE |
1:02.36 |
1:04.54 |
2.18 |