| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Grimley, Taylor O (12)
|
MARAD |
1:09.85 |
1:07.54 |
-2.31 |
| 1 |
Shields, Ashleigh N (12)
|
MAWA |
1:19.82 |
1:12.65 |
-7.17 |
| 1 |
O'Neill, Eleanor G (12)
|
MARAD |
1:13.85 |
1:13.32 |
-0.53 |
| 2 |
Neilly, Hannah F (12)
|
MARAD |
1:09.40 |
1:07.89 |
-1.51 |
| 2 |
Rozes, Isabel K (12)
|
MAEAAC |
1:15.83 |
1:13.85 |
-1.98 |
| 2 |
Oswald, Delaney R (11)
|
MARAD |
1:23.43 |
1:25.12 |
1.69 |
| 3 |
Hofer, Natalie L (12)
|
MAWA |
1:08.48 |
1:11.40 |
2.92 |
| 3 |
Stewart, Kerrighan E (12)
|
MAWA |
1:17.69 |
1:19.32 |
1.63 |
| 3 |
Marvel, Aimee L (11)
|
MAWA |
1:47.74 |
1:37.59 |
-10.15 |
|
Conybear, Charlotte J (11)
|
MABSC |
|
NS |
- |
|
Murray, Sasha K (11)
|
MALMAC |
|
NS |
- |
|
Hahn, Lily (12)
|
MARAD |
1:10.56 |
NS |
- |
|
Diguey, Velina (11)
|
MAUN |
|
NS |
- |