| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Stevenson, Amelia (12)
|
MAGSA |
1:04.18 |
1:03.95 |
-0.23 |
| 1 |
Tegler, Taiylor A (12)
|
MAWA |
1:14.16 |
1:08.09 |
-6.07 |
| 1 |
Salaman, Saade m (12)
|
MAGRA |
|
1:15.29 |
- |
| 2 |
Pillar, Claire E (12)
|
MAFCA |
1:12.92 |
1:11.10 |
-1.82 |
| 2 |
Hill, Emma E (12)
|
MAKAY |
1:20.97 |
1:18.17 |
-2.80 |
| 3 |
Behling, Clara A (11)
|
MAFCA |
1:13.38 |
1:11.57 |
-1.81 |
| 3 |
Sawicki, Isabelle (11)
|
MACAA |
|
1:18.59 |
- |
| 4 |
Perrin, Lily A (11)
|
MAKAY |
1:13.28 |
1:13.34 |
0.06 |
| 4 |
Karpf, Lana (12)
|
MAGSA |
|
1:22.52 |
- |
| 5 |
English, Chloe L (12)
|
MAFCA |
1:14.91 |
1:13.35 |
-1.56 |
| 5 |
Guidotti, Hannah M (11)
|
MAGRA |
1:21.22 |
1:23.46 |
2.24 |
| 6 |
Gilmore, Emily A (12)
|
MAGSA |
1:15.74 |
1:14.53 |
-1.21 |
| 6 |
Lee, Min K (12)
|
MAWA |
1:33.89 |
1:31.17 |
-2.72 |
| 7 |
Heimowitz, Miranda J (12)
|
MAGSA |
1:17.10 |
1:15.76 |
-1.34 |
| 7 |
Marvel, Aimee L (11)
|
MAWA |
1:37.59 |
1:42.86 |
5.27 |
| 8 |
Stewart, Kerrighan E (12)
|
MAWA |
1:17.69 |
1:16.51 |
-1.18 |
|
Stevenson, Abigail (11)
|
MAGSA |
|
DQ |
- |
|
Shields, Ashleigh N (12)
|
MAWA |
1:12.65 |
NS |
- |