| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ballek, Phoebe B (12)
|
MAPAAC |
1:08.13 |
1:04.43 |
-3.70 |
| 2 |
Mariucci, Gianna S (12)
|
MAUN-0 |
1:07.16 |
1:05.68 |
-1.48 |
| 3 |
Spitzenberger, Tia P (12)
|
MAJW |
1:10.50 |
1:07.73 |
-2.77 |
| 4 |
Wolpert, Makenzie P (12)
|
MAMSC |
1:07.93 |
1:09.19 |
1.26 |
| 5 |
McKenzie, Tessa R (12)
|
MABRY |
1:09.43 |
1:10.31 |
0.88 |
| 6 |
Shaw, Samantha J (12)
|
MAMSC |
1:11.61 |
1:11.00 |
-0.61 |
| 7 |
St-Laurent, Alexandra A (12)
|
MACAA |
1:08.88 |
1:11.01 |
2.13 |
| 8 |
Sheldon, Jane A (12)
|
MAHAC |
1:11.99 |
1:12.34 |
0.35 |
| 9 |
Guman, Cambria R (12)
|
MAUN-0 |
1:08.80 |
1:13.10 |
4.30 |
| 10 |
Sellers, Sophie E (12)
|
MAMAC |
1:12.41 |
1:13.32 |
0.91 |
| 11 |
Staley, Jamie C (12)
|
MAKA |
1:14.22 |
1:14.60 |
0.38 |
| 12 |
Wang, Anna X (12)
|
MAHAC |
1:12.51 |
1:15.16 |
2.65 |
| 13 |
Kearney, Reagan J (12)
|
MAUN-0 |
1:12.55 |
1:16.26 |
3.71 |
| 14 |
Roeting, Isabella P (12)
|
MAHAC |
1:17.52 |
1:18.48 |
0.96 |
| 15 |
Schweyer, Sarah E (12)
|
MAPAAC |
1:19.83 |
1:19.87 |
0.04 |
| 16 |
Salari, Lillian S (12)
|
MAPAAC |
1:24.51 |
1:19.92 |
-4.59 |
|
Silverthorn, Roberta J (12)
|
MASAC |
1:18.75 |
DQ |
- |