| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Aramini, Mina E (12)
|
ADCLRK |
1:28.37 |
1:24.82 |
-3.55 |
| 2 |
Downie, Lillian M (12)
|
ADCLRK |
1:25.82 |
1:26.81 |
0.99 |
| 3 |
Bischof, Jaina L (11)
|
ADCLRK |
1:28.16 |
1:27.11 |
-1.05 |
| 4 |
Hubbard, Ethan A (12)
|
ADCANA |
1:29.98 |
1:31.77 |
1.79 |
| 5 |
Forrest, Parker G (11)
|
ADCANA |
1:38.63 |
1:33.65 |
-4.98 |
| 6 |
Barlow, Nicholas M (11)
|
ADCANA |
1:36.86 |
1:33.84 |
-3.02 |
| 7 |
Meka, Olivia G (10)
|
ADCANA |
1:30.76 |
1:34.65 |
3.89 |
| 8 |
Robinson, Samuel J (12)
|
ADCANA |
1:36.38 |
1:38.10 |
1.72 |
| 9 |
Swift, Kelsey M (12)
|
ADCLRK |
|
1:40.62 |
- |
| 10 |
Roos, Avada L (10)
|
ADCANA |
1:50.62 |
1:40.67 |
-9.95 |
| 11 |
Crowell, Paul F (11)
|
ADCLRK |
|
1:40.68 |
- |
| 12 |
Aramini, Macon G (9)
|
ADCLRK |
1:42.75 |
1:42.48 |
-0.27 |
|
Raymond, Gabriella M (12)
|
ADCLRK |
|
DQ |
- |