| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Peng, Natalie (10)
|
MRWEST |
1:14.34 |
1:15.41 |
1.07 |
| 2 |
Bastone, Alexandra A (10)
|
MRWEST |
1:19.31 |
1:16.42 |
-2.89 |
| 3 |
Hussain, Sana (9)
|
MRAGUA |
1:28.16 |
1:23.48 |
-4.68 |
| 4 |
St. Jean, Ryann A (10)
|
MRAGUA |
|
1:24.59 |
- |
| 5 |
Chang, Mia (10)
|
MRAGUA |
1:27.69 |
1:26.36 |
-1.33 |
| 6 |
Kaufman, Claire M (10)
|
MRBAD |
1:30.31 |
1:27.89 |
-2.42 |
| 7 |
Wong, Linsey (9)
|
MRNYCC |
1:31.41 |
1:29.10 |
-2.31 |
| 8 |
Sheridan, Rory (9)
|
MRBAD |
1:28.81 |
1:30.47 |
1.66 |
| 9 |
Brennan, Caroline G (10)
|
MRHS |
1:50.16 |
1:30.57 |
-19.59 |
| 10 |
St. Jean, Ryleigh A (10)
|
MRAGUA |
|
1:33.69 |
- |
|
Skaistis, Delilah E (9)
|
MRAGUA |
|
DQ |
- |
|
Inverdale, Julieanne A (10)
|
MRPAC |
1:39.78 |
DQ |
- |