| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hatzold, Brianna R (17)
|
MASJAC |
54.55 |
56.54 |
1.99 |
| 2 |
Nachodsky, Alexandria S (17)
|
MASJAC |
53.14 |
58.15 |
5.01 |
| 3 |
Miller, Abigail R (17)
|
MASJAC |
56.36 |
58.24 |
1.88 |
| 4 |
Peters, Gillian (15)
|
MASJAC |
58.40 |
58.88 |
0.48 |
| 5 |
Cahnbley, Melina (17)
|
NJEEX |
55.49 |
1:00.82 |
5.33 |
| 6 |
Feeley, Shannon R (16)
|
MASJAC |
56.79 |
1:01.01 |
4.22 |
| 7 |
Trent, Nicole H (15)
|
MASJAC |
59.65 |
1:01.19 |
1.54 |
| 8 |
Gorman, Annabel (15)
|
MASJAC |
57.30 |
1:01.62 |
4.32 |
| 9 |
Riggs, Carolyn E (17)
|
MAUMLY |
|
1:03.08 |
- |
| 10 |
Calabria, Morgan K (16)
|
MASJAC |
59.33 |
1:05.78 |
6.45 |
|
Palochik, Victoria L (17)
|
MABLUE |
51.91 |
NS |
- |