| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Tieng, Alexandra K (8)
|
MRBAD |
48.39 |
45.32 |
-3.07 |
| 2 |
Augustensen, Isabella M (8)
|
MRPAC |
45.91 |
45.35 |
-0.56 |
| 3 |
Niven, Mila R (8)
|
MRBAD |
46.11 |
47.18 |
1.07 |
| 4 |
Cubrilo, Rae V (8)
|
MRPAC |
51.58 |
49.95 |
-1.63 |
| 5 |
Cosentino, Julia V (8)
|
MRBAD |
1:30.00 |
58.97 |
-31.03 |
| 6 |
Fitzgerald, Mackenzie E (8)
|
MRPAC |
1:10.00 |
1:03.11 |
-6.89 |
| 7 |
Lenson, Melanie (7)
|
MRTRI |
1:14.16 |
1:03.51 |
-10.65 |
| 8 |
Peschiera, Bianca F (7)
|
MRSMC |
|
1:04.16 |
- |
| 9 |
Abrahamson, Anna E (8)
|
MRPAC |
1:10.00 |
1:04.76 |
-5.24 |
| 10 |
Moreno, Ashley K (8)
|
MRTRI |
1:00.00 |
1:05.48 |
5.48 |
| 11 |
Hassanein, Hannah M (8)
|
NJLIFE |
1:24.28 |
1:13.93 |
-10.35 |
| 12 |
Carrera, Mina L (7)
|
MRBAD |
1:26.00 |
1:17.66 |
-8.34 |
| 13 |
Ahmad, Zara A (8)
|
MRPAC |
1:18.46 |
1:20.06 |
1.60 |
| 14 |
Orcutt, Sadie D (7)
|
MRSMC |
|
1:22.04 |
- |
| 15 |
Buckheit, Julianna (7)
|
MRTRI |
|
1:34.58 |
- |
|
Kaushik, Mia K (7)
|
MRPAC |
1:50.00 |
DQ |
- |
|
Bacelli, Emma (8)
|
MRTRI |
1:00.00 |
NS |
- |