| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Wade, Emma M (10)
|
MASPFD |
39.41 |
40.61 |
1.20 |
| 1 |
McGranaghan, Murphy C (10)
|
MASPFD |
48.24 |
41.29 |
-6.95 |
| 1 |
Lake, Alice M (10)
|
MARAD |
43.32 |
42.46 |
-0.86 |
| 2 |
Keitel, Nieve S (10)
|
MASPFD |
45.09 |
42.85 |
-2.24 |
| 2 |
Kostic, Eva M (10)
|
MARAD |
48.76 |
45.83 |
-2.93 |
| 3 |
Dudley, Madeleine P (10)
|
MARAD |
45.70 |
44.22 |
-1.48 |
| 3 |
Edwards, Olivia M (10)
|
MASPFD |
49.25 |
47.00 |
-2.25 |
| 4 |
Keitel, Arden S (10)
|
MASPFD |
49.93 |
48.29 |
-1.64 |
| 5 |
Hart, Lillian D (9)
|
MASPFD |
51.25 |
48.64 |
-2.61 |
| 6 |
Patterson, Julienne M (10)
|
MASPFD |
53.78 |
49.35 |
-4.43 |
| 7 |
LaFrazza-Schwartz, Cameron C (9)
|
MANLAC |
53.49 |
51.68 |
-1.81 |
| 8 |
Dare, Reagan A (9)
|
MANLAC |
51.99 |
52.35 |
0.36 |
| 9 |
Kumar, Ianna K (9)
|
MARAD |
1:05.58 |
53.82 |
-11.76 |
| 10 |
Drajem, Allie (10)
|
MAWASC |
1:16.93 |
1:06.34 |
-10.59 |
|
Fuller, Claire M (9)
|
MANLAC |
52.17 |
NS |
- |