| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Rivera, Samuel T (14)
|
NIIRON |
50.63 |
50.54 |
-0.09 |
| 2 |
Guagliardo, Gabriella N (16)
|
NIIRON |
59.00 |
57.75 |
-1.25 |
| 3 |
Schreiner, Lauren E (14)
|
NIWEBS |
58.76 |
58.12 |
-0.64 |
| 4 |
Thurston, Sophia R (16)
|
NIIRON |
59.30 |
1:00.52 |
1.22 |
| 5 |
Masters, Zoe N (15)
|
NIWEBS |
1:08.84 |
1:02.44 |
-6.40 |
| 6 |
Baker, Anna R (12)
|
NIWEBS |
1:04.86 |
1:05.02 |
0.16 |
| 7 |
Healy, Catherine M (13)
|
NIWEBS |
1:11.00 |
1:06.36 |
-4.64 |
| 8 |
Guagliardo, Giovanna (11)
|
NIIRON |
1:07.88 |
1:09.19 |
1.31 |
| 9 |
Flanigen, Ruby J (11)
|
NIIRON |
1:10.75 |
1:10.91 |
0.16 |
| 10 |
Delgrego, Catherine G (13)
|
NIWEBS |
1:44.10 |
1:19.20 |
-24.90 |
| 11 |
VanHeyningen, Katrina J (14)
|
NIWEBS |
1:20.00 |
1:19.66 |
-0.34 |
| 12 |
Magnera, Sofia A (11)
|
NIWEBS |
1:17.27 |
1:20.24 |
2.97 |
| 13 |
LaChance, Carmindy (11)
|
NIIRON |
1:21.43 |
1:21.02 |
-0.41 |
| 14 |
Butler, Abigail E (12)
|
NIIRON |
1:23.55 |
1:24.84 |
1.29 |
| 15 |
Johnson, Ila A (11)
|
NIIRON |
1:35.00 |
1:26.52 |
-8.48 |
| 16 |
Mantell, Norah A (8)
|
NIIRON |
1:37.83 |
1:41.67 |
3.84 |
| 17 |
Quinto, Lilian M (8)
|
NIIRON |
1:51.55 |
1:42.26 |
-9.29 |
| 18 |
Yasin, Maram (8)
|
NIIRON |
|
1:50.87 |
- |
| 19 |
Hackett, Grace C (11)
|
NIIRON |
1:42.74 |
1:53.97 |
11.23 |
|
Johnson, Dylan T (11)
|
NIIRON |
1:29.05 |
NS |
- |