| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hahn, Benjamin R (12)
|
MRRA |
1:07.53 |
1:05.82 |
-1.71 |
| 2 |
Suh, Jonathan Y (12)
|
MRRA |
1:15.81 |
1:11.22 |
-4.59 |
| 3 |
McClung, Max M (12)
|
MRRA |
1:13.09 |
1:11.24 |
-1.85 |
| 4 |
Smith, Sebastian L (12)
|
MRRFAC |
1:18.21 |
1:14.82 |
-3.39 |
| 5 |
Simpfenderfer, Michael D (11)
|
MRRFAC |
1:15.52 |
1:15.42 |
-0.10 |
| 6 |
Santana, Delwin J (12)
|
MRLBA |
1:18.52 |
1:16.59 |
-1.93 |
| 7 |
Wu, Patrick (12)
|
MRRFAC |
1:22.09 |
1:24.20 |
2.11 |
| 8 |
Lim, Noah B (12)
|
MRRA |
1:28.96 |
1:25.20 |
-3.76 |
| 9 |
Racz, Theodore R (11)
|
MRRA |
1:49.00 |
1:25.56 |
-23.44 |
| 10 |
Dewhurst, Joseph M (12)
|
MRAG |
1:22.20 |
1:26.49 |
4.29 |
| 11 |
Moriarty, Francis R (12)
|
MRLBA |
1:28.90 |
1:27.71 |
-1.19 |
| 12 |
Assad, Michael R (12)
|
MRSSL |
1:28.32 |
1:29.47 |
1.15 |
| 13 |
Herbert, Owain G (12)
|
MRNDAC |
1:28.47 |
1:29.96 |
1.49 |
| 14 |
Daniels, Luke W (11)
|
MRNDAC |
1:27.46 |
1:30.05 |
2.59 |
| 15 |
Schweppe, Otto W (12)
|
MRNDAC |
1:31.10 |
1:35.02 |
3.92 |
| 16 |
Grisales, Alexander * (12)
|
MRSSL |
1:38.19 |
1:35.55 |
-2.64 |
| 17 |
Beaudoin, Noah S (11)
|
MRHVD |
1:33.97 |
1:36.24 |
2.27 |
| 18 |
Latino, Tristan M (11)
|
MRRFAC |
1:53.30 |
1:37.96 |
-15.34 |
| 19 |
Goodman, Eric B (12)
|
MRSSL |
2:00.75 |
1:45.09 |
-15.66 |
|
Elmassalemah, Iad K (12)
|
MRNDAC |
1:39.84 |
DQ |
- |
|
Wechsler, Benjamin H (11)
|
MRSSL |
1:58.81 |
DQ |
- |
|
Horgan, Edward L (12)
|
MRHVD |
1:14.91 |
DQ |
- |