| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Lawler, Morgan K (16)
|
ADALBS |
54.84 |
55.55 |
0.71 |
| 2 |
Napoli, Julia R (16)
|
ADHAWK |
56.35 |
57.07 |
0.72 |
| 3 |
Ly, Sinead (15)
|
NESNAP |
59.67 |
57.39 |
-2.28 |
| 4 |
Hurff, Natasha B (16)
|
ADSARY |
58.99 |
58.91 |
-0.08 |
| 5 |
Ball, Clarissa H (16)
|
ADALBS |
58.32 |
1:00.54 |
2.22 |
| 6 |
MacLeod, Angelina M (13)
|
ADUSAM |
58.82 |
1:01.28 |
2.46 |
| 7 |
McDonald, Lily (15)
|
NESNAP |
1:01.12 |
1:01.67 |
0.55 |
| 8 |
Gaffney, Chloe E (13)
|
ADHAWK |
1:03.63 |
1:04.79 |
1.16 |
| 9 |
Cartier, Aila C (15)
|
ADSARY |
1:04.14 |
1:05.71 |
1.57 |
| 10 |
Thorp, Helen (15)
|
NESNAP |
1:04.93 |
1:06.33 |
1.40 |
| 11 |
Grogan, Alyssa R (15)
|
ADALBS |
|
1:09.50 |
- |
| 12 |
McIntyre, Mary J (13)
|
ADHAWK |
1:15.50 |
1:10.98 |
-4.52 |
| 13 |
Smoote-Keeler, Isabella C (13)
|
ADALBS |
1:24.46 |
1:14.24 |
-10.22 |
| 14 |
Williams, Isabella R (13)
|
ADALBS |
1:16.85 |
1:16.32 |
-0.53 |
| 15 |
Turan, Isabelle R (16)
|
ADUSAM |
1:23.20 |
1:20.92 |
-2.28 |
| 16 |
Farrell, Macayla M (13)
|
ADALBS |
1:19.24 |
1:22.59 |
3.35 |
| 17 |
Belfield, Elysia M (13)
|
ADHAWK |
1:25.13 |
1:34.34 |
9.21 |
|
Holmes, Zoe (17)
|
NESNAP |
56.37 |
NS |
- |
|
Fontes-Janusz, Dela R (13)
|
ADHAWK |
|
NS |
- |
|
Dunbar, May R (13)
|
ADUSAM |
1:09.14 |
NS |
- |