| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Despeaux, Addyson R (12)
|
MARAYS |
1:16.38 |
1:16.47 |
0.09 |
| 2 |
Hammerschmidt, Anna C (12)
|
MAKAY |
1:17.28 |
1:16.68 |
-0.60 |
| 3 |
Livingston, Claire (12)
|
MAJY |
1:17.84 |
1:17.01 |
-0.83 |
| 4 |
Johnson, Eliza C (12)
|
MAWEST |
|
1:21.44 |
- |
| 5 |
O'Hara, Jenna L (12)
|
MARAYS |
1:24.86 |
1:25.85 |
0.99 |
| 6 |
Merlo, Elizabeth T (12)
|
MABRY |
1:22.39 |
1:26.05 |
3.66 |
| 7 |
Serafin, Gabrielle O (12)
|
MAWEST |
|
1:28.15 |
- |
| 8 |
Putty, Maya E (11)
|
MARAYS |
1:27.39 |
1:28.31 |
0.92 |
| 9 |
Freebery, Winnie B (12)
|
MAKAY |
|
1:30.80 |
- |
| 10 |
Maansson, Anna (12)
|
MABRY |
1:30.16 |
1:30.83 |
0.67 |
| 11 |
Stapert, Saige E (11)
|
MARAYS |
|
1:31.50 |
- |
| 12 |
Grieco, Sydney E (12)
|
MAKAY |
1:36.03 |
1:36.51 |
0.48 |
| 13 |
Abbey, Severin (11)
|
MAJY |
1:41.43 |
1:39.31 |
-2.12 |
| 14 |
Hirst, Grace (11)
|
MALCY |
|
1:42.94 |
- |
| 15 |
McCaskill, Aila T (11)
|
MABRY |
1:47.29 |
1:43.70 |
-3.59 |
| 16 |
Peters, Rachael (12)
|
MAWEST |
|
1:46.82 |
- |
| 17 |
Kelleher, Bridgette A (11)
|
MABRY |
1:58.31 |
1:59.62 |
1.31 |
|
Char, Hannah (11)
|
MAJY |
|
DQ |
- |