| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Breckenridge, Lucy F (10)
|
ADSCHE |
42.95 |
42.56 |
-0.39 |
| 2 |
Rogowski, Isabella S (10)
|
ADSCHE |
44.28 |
43.28 |
-1.00 |
| 3 |
O'Donnell, Bridgett M (10)
|
ADUN |
51.51 |
45.92 |
-5.59 |
| 4 |
Padula, Emma R (10)
|
ADUN |
|
47.18 |
- |
| 5 |
Sellnow, Lucas M (10)
|
ADUN |
50.42 |
48.10 |
-2.32 |
| 6 |
Krenav, Anna E (10)
|
ADUN |
52.34 |
48.69 |
-3.65 |
| 7 |
Mody, Anoushka (10)
|
ADSCHE |
|
50.25 |
- |
| 8 |
Park, Chloe S (9)
|
ADSCHE |
53.65 |
50.43 |
-3.22 |
| 9 |
Strickler, Carolyn M (9)
|
ADSCHE |
52.40 |
51.58 |
-0.82 |
| 10 |
Carmichael, Sebastian J (10)
|
ADSCHE |
59.23 |
58.22 |
-1.01 |
| 11 |
Lucas, Daniel M (9)
|
ADSCHE |
|
58.76 |
- |
| 12 |
Moynahan, Maeve C (9)
|
ADSCHE |
1:04.66 |
1:00.47 |
-4.19 |
| 13 |
Zima, Elliott H (10)
|
ADSCHE |
|
1:08.78 |
- |
| 14 |
Gaudette, Adrienne T (9)
|
ADSCHE |
|
1:09.97 |
- |
|
Young, Connor A (9)
|
ADUN |
|
DQ |
- |
|
Chan, Isaac (9)
|
ADUN |
|
DQ |
- |
|
Schlansker, Bowe V (10)
|
ADSCHE |
|
DQ |
- |
|
Birmingham, Evan J (9)
|
ADSCHE |
|
DQ |
- |
|
Berju, Jenna M (10)
|
ADSCHE |
|
NS |
- |