| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Stewart, Rowan C (12)
|
MEKVY |
1:05.44 |
1:06.56 |
1.12 |
| 2 |
Wagstaff, Lylah S (12)
|
MEMDIY |
1:08.09 |
1:08.55 |
0.46 |
| 3 |
Pultorak, Ada V (12)
|
MEBYB |
1:11.53 |
1:11.24 |
-0.29 |
| 4 |
Claude, Eve L (11)
|
MEKVY |
1:15.08 |
1:11.95 |
-3.13 |
| 5 |
Dinkel, Logan A (12)
|
MEKVY |
1:14.09 |
1:12.77 |
-1.32 |
| 6 |
McCamish, Georgiana M (12)
|
MEKVY |
1:14.55 |
1:13.16 |
-1.39 |
| 7 |
Cistone, Kathleen R (11)
|
MEMDIY |
1:17.09 |
1:16.02 |
-1.07 |
| 8 |
Fournier, Sara K (11)
|
MEKVY |
1:15.86 |
1:16.99 |
1.13 |
| 9 |
Claude, Elle G (11)
|
MEKVY |
1:17.58 |
1:17.38 |
-0.20 |
| 10 |
Saltysiak, Mary Catherine E (11)
|
MEMDIY |
1:20.40 |
1:17.93 |
-2.47 |
| 11 |
Carrier, Madeline R (11)
|
MEDEFY |
1:18.86 |
1:20.92 |
2.06 |
| 12 |
Dow, Claire E (12)
|
MEMDIY |
1:23.64 |
1:21.68 |
-1.96 |
| 13 |
Ouimette, Sophia Z (11)
|
MEKVY |
1:24.11 |
1:21.82 |
-2.29 |
| 14 |
Merrill, Hadley E (11)
|
MEDEFY |
1:21.92 |
1:23.90 |
1.98 |