| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Braun, Julia L (8)
|
ADNTS |
39.08 |
43.26 |
4.18 |
| 2 |
Wultsch-Fuller, Sonja E (8)
|
ADNTS |
|
45.28 |
- |
| 3 |
Sekelj, Ella S (7)
|
ADNTS |
50.62 |
50.20 |
-0.42 |
| 4 |
Murphy, Maeve M (8)
|
ADNTS |
59.36 |
55.14 |
-4.22 |
| 5 |
Choi, Sophia M (7)
|
ADNTS |
1:18.68 |
1:01.71 |
-16.97 |
| 6 |
Coates, Carly N (8)
|
ADNTS |
1:03.93 |
1:01.94 |
-1.99 |
| 7 |
Blauvelt, Mabel A (7)
|
ADTBS |
1:19.79 |
1:01.95 |
-17.84 |
| 8 |
Zebedee, Zoey A (8)
|
ADNTS |
1:19.97 |
1:03.77 |
-16.20 |
| 9 |
Jantzi, Adalin L (7)
|
ADTBS |
|
1:06.70 |
- |
| 10 |
Andreescu, Alexandra M (7)
|
ADNTS |
1:35.34 |
1:07.44 |
-27.90 |
| 11 |
Mahapatra, Amirita V (7)
|
ADNTS |
|
1:16.52 |
- |