| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Park, Lucas I (14)
|
MREAST |
1:10.26 |
1:11.91 |
1.65 |
| 2 |
Ntrivalas, Ian E (14)
|
MREAST |
1:13.07 |
1:12.96 |
-0.11 |
| 3 |
Mugno, Anthony James (13)
|
MREAST |
1:11.86 |
1:14.06 |
2.20 |
| 4 |
Ambotas, Nikita (12)
|
MREAST |
1:13.00 |
1:14.36 |
1.36 |
| 5 |
Sage, Sebastian Y (13)
|
MREAST |
1:15.48 |
1:15.89 |
0.41 |
| 6 |
Wei, Yuchen (13)
|
MREAST |
1:18.67 |
1:16.59 |
-2.08 |
| 7 |
Skogerson, Duncan A (13)
|
MREAST |
1:13.41 |
1:16.72 |
3.31 |
| 8 |
Franks, Kelly C (12)
|
MREAST |
1:20.46 |
1:22.07 |
1.61 |
| 9 |
Karamehmedovic, Jake D (13)
|
MREAST |
1:22.91 |
1:24.65 |
1.74 |
| 10 |
Aguila, Brandon (13)
|
MREAST |
1:34.75 |
1:28.94 |
-5.81 |
|
Corbett, Thomas C (12)
|
MREAST |
1:36.32 |
NS |
- |