| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Regan, Robert C (11)
|
CTRYWC |
1:15.87 |
1:15.01 |
-0.86 |
| 2 |
Denning, Ethan M (12)
|
CTRYWC |
1:19.98 |
1:16.83 |
-3.15 |
| 3 |
Oliveira, Eduardo M (12)
|
CTRYWC |
1:18.80 |
1:17.08 |
-1.72 |
| 4 |
Kirberger, Brendan D (11)
|
CTSMST |
1:25.16 |
1:23.69 |
-1.47 |
| 5 |
Naulaguari, Daniel A (12)
|
CTRYWC |
1:26.57 |
1:25.00 |
-1.57 |
| 6 |
Oliveira, Joshua E (12)
|
CTRYWC |
1:32.63 |
1:28.06 |
-4.57 |
| 7 |
Elias, Ethan M (11)
|
CTUNCT |
1:33.58 |
1:28.65 |
-4.93 |
| 8 |
Chen, William (11)
|
CTRYWC |
1:34.95 |
1:30.57 |
-4.38 |
| 9 |
Curwin, Niko O (12)
|
CTRYWC |
1:30.76 |
1:37.51 |
6.75 |
| 10 |
Padros, Aiden X (11)
|
CTRYWC |
1:45.56 |
1:45.85 |
0.29 |