| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
MacHugh, Grace A (12)
|
MRNBS |
1:10.09 |
1:05.88 |
-4.21 |
| 2 |
Williams, Grace K (12)
|
MRNBS |
1:14.95 |
1:09.50 |
-5.45 |
| 3 |
Dineen, Molly (11)
|
MRMWSC |
1:14.45 |
1:11.57 |
-2.88 |
| 4 |
Kaw, Rhea (12)
|
MRMWSC |
|
1:12.21 |
- |
| 5 |
Kohlbecker, Sophia D (12)
|
MRMWSC |
1:14.76 |
1:12.68 |
-2.08 |
| 6 |
Mayerhauser, Lea E (11)
|
MRDA |
1:11.93 |
1:12.73 |
0.80 |
| 7 |
Bunch, Jenna G (11)
|
MRNBS |
1:10.71 |
1:13.74 |
3.03 |
| 8 |
Chambers, Chloe E (11)
|
MRMWSC |
1:16.60 |
1:15.85 |
-0.75 |
| 9 |
Regenauer, Katarina T (11)
|
MRNBS |
1:17.01 |
1:16.26 |
-0.75 |
| 10 |
Kaw, Sheena (12)
|
MRMWSC |
|
1:21.78 |
- |
| 11 |
Sheerin, Megan N (11)
|
MRMWSC |
1:18.73 |
1:21.91 |
3.18 |
| 12 |
Donnellan, Molly E (12)
|
MRMWSC |
1:26.26 |
1:22.27 |
-3.99 |
| 13 |
Mendoza, Emily (12)
|
MRNBS |
1:31.02 |
1:22.86 |
-8.16 |
| 14 |
Weeks, Kelly P (11)
|
MRUNNB |
|
1:26.72 |
- |
| 15 |
Moffit, Maya B (11)
|
MRDA |
1:32.03 |
1:27.87 |
-4.16 |
| 16 |
Bilenky, Adriana (11)
|
MRNBS |
1:34.83 |
1:32.01 |
-2.82 |