| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Xu, Ming Na (11)
|
NIFAST |
29.78 |
29.85 |
0.07 |
| 2 |
Markham, Rory P (12)
|
NIFAST |
31.99 |
30.54 |
-1.45 |
| 3 |
Figer, Gemma (13)
|
NIPACK |
31.47 |
31.79 |
0.32 |
| 4 |
Bedford, Ainsley N (12)
|
NIWEBS |
42.38 |
38.19 |
-4.19 |
| 5 |
Ritter, Madeleine (8)
|
NIPACK |
|
42.66 |
- |
| 6 |
Bedford, Marin B (10)
|
NIWEBS |
55.54 |
50.10 |
-5.44 |
| 7 |
Joshi, Reva R (10)
|
NIPACK |
52.01 |
50.86 |
-1.15 |
| 8 |
van Wichen, Jessica D (10)
|
NIWEBS |
1:10.05 |
51.28 |
-18.77 |
| 9 |
Inzinga, Rose Marie (11)
|
NIWEBS |
|
51.30 |
- |
| 10 |
Maas, Kaylee A (9)
|
NIIRON |
45.00 |
51.36 |
6.36 |
| 11 |
Fazili, Saara (11)
|
NIPACK |
57.13 |
53.15 |
-3.98 |
| 12 |
Cunniffe, Chloe L (9)
|
NIPACK |
|
57.35 |
- |
| 13 |
Girgis, Sophie G (11)
|
NIPACK |
55.53 |
58.22 |
2.69 |
| 14 |
Yu, Emily X (9)
|
NIPACK |
|
1:01.43 |
- |
| 15 |
Yasin, Maram (8)
|
NIIRON |
1:00.64 |
1:02.02 |
1.38 |
| 16 |
Carey, Jane M (11)
|
NIWEBS |
|
1:02.55 |
- |
| 17 |
Patel, Sia M (11)
|
NIPACK |
1:05.22 |
1:05.67 |
0.45 |
| 18 |
Moroni, Brianna M (8)
|
NIIRON |
|
1:06.83 |
- |
|
Maaraba, Hanna M (8)
|
NIPACK |
|
DQ |
- |
|
Huerta-Andrade, Isabella (11)
|
NIPACK |
51.01 |
NS |
- |
|
Garigen, Emma C (10)
|
NIWEBS |
58.14 |
NS |
- |
|
Garigen, Natalie K (8)
|
NIWEBS |
1:00.00 |
NS |
- |