| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Eguchi, Lydia (17)
|
MRUNAT |
38.76 |
33.93 |
-4.83 |
| 2 |
Eguchi, Nadia (15)
|
MRUNAT |
36.99 |
34.55 |
-2.44 |
| 3 |
Ndreu, Victoria (16)
|
MRUNAT |
35.15 |
34.97 |
-0.18 |
| 4 |
Chevez, Sofia K (15)
|
MRUNAT |
38.15 |
38.25 |
0.10 |
| 5 |
Hunnewell, Skylar S (16)
|
MRUN-A |
37.39 |
38.51 |
1.12 |
| 6 |
Sabbagh, Krista L (17)
|
MRHVD |
39.33 |
39.39 |
0.06 |
| 6 |
Joyce, Sarah M (18)
|
MRUNAT |
37.15 |
39.39 |
2.24 |
| 8 |
Seward, Kristen J (15)
|
MRHVD |
36.62 |
39.51 |
2.89 |
| 9 |
Faldetta, Nicolette L (16)
|
MRUNAT |
38.15 |
39.72 |
1.57 |
| 10 |
SU, Rachael (15)
|
MRNCAC |
37.00 |
40.96 |
3.96 |
| 11 |
DeMayo, Ava E (15)
|
MRJCCT |
43.00 |
44.03 |
1.03 |
| 12 |
Pujadas, Madison M (19)
|
MRUNAT |
43.22 |
44.75 |
1.53 |
| 13 |
Fitzsimmons, Sarah M (15)
|
MRHVD |
46.75 |
45.15 |
-1.60 |
| 14 |
Gonzales, Paola (16)
|
MRTSC |
1:00.00 |
57.69 |
-2.31 |
|
Eckhardt, Madeline R (15)
|
MRHVD |
|
NS |
- |