| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Stewart, Rowan C (10)
|
MEPBAY |
1:25.16 |
1:24.86 |
-0.30 |
| 2 |
Saucier, Libby R (10)
|
MEUN |
1:33.53 |
1:31.33 |
-2.20 |
| 3 |
Dinkel, Logan A (10)
|
MEKVY |
1:37.45 |
1:33.21 |
-4.24 |
| 4 |
Cohen, Rachael L (10)
|
MEPPSC |
1:33.97 |
1:33.78 |
-0.19 |
| 5 |
Carleton, Charley S (9)
|
MELRSC |
1:36.81 |
1:35.28 |
-1.53 |
| 6 |
Albert, Victoria S (10)
|
MELRSC |
1:35.17 |
1:36.11 |
0.94 |
| 7 |
Dagorova, Mina N (9)
|
MESMAC |
1:33.07 |
1:36.32 |
3.25 |
| 8 |
Thomas, Hannah P (10)
|
MEYWTS |
1:37.07 |
1:36.65 |
-0.42 |
| 9 |
Frothingham, Hannah A (10)
|
MECMA |
1:43.32 |
1:37.09 |
-6.23 |
| 10 |
Maurer, Penelope H (10)
|
MENYCY |
1:41.98 |
1:38.64 |
-3.34 |
| 11 |
Yarborough, Bree A (10)
|
MEMDIY |
1:41.10 |
1:39.64 |
-1.46 |
| 12 |
Smith, Madelyn A (9)
|
MEPBAY |
1:41.81 |
1:40.48 |
-1.33 |
| 13 |
Perry, Lucy M (10)
|
MENYCY |
1:42.00 |
1:40.65 |
-1.35 |
| 14 |
Willey, Jessie E (10)
|
MEWCCU |
1:40.31 |
1:41.04 |
0.73 |
| 15 |
Scordino, Siena M (10)
|
MEPBAY |
1:44.94 |
1:42.39 |
-2.55 |
| 16 |
McCamish, Georgiana M (10)
|
MEKVY |
1:39.57 |
1:43.27 |
3.70 |
| 17 |
Layton, Elizabeth F (9)
|
MEPBAY |
1:44.79 |
1:45.76 |
0.97 |
|
Colaluca, Olivia M (9)
|
MELRSC |
1:43.38 |
DQ |
- |