| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Daniels, Owen D (15)
|
MRRFAC |
57.06 |
55.57 |
-1.49 |
| 2 |
Wilson, Edmund (16)
|
MRRFAC |
57.92 |
57.79 |
-0.13 |
| 3 |
Mummery, John F (15)
|
MRNBS |
1:02.25 |
1:02.40 |
0.15 |
| 4 |
Del Rosario, Edmund Jacob C (15)
|
MRPATS |
1:05.43 |
1:04.39 |
-1.04 |
| 5 |
Burgarelli, Sebastian (15)
|
MRNBS |
1:11.54 |
1:04.92 |
-6.62 |
| 6 |
Gerbes, Jackson E (17)
|
MRNBS |
1:09.61 |
1:05.09 |
-4.52 |
| 7 |
Velasquez, Vicente O (16)
|
MRNBS |
1:10.58 |
1:05.28 |
-5.30 |
| 8 |
Cooper, Jackson C (15)
|
MRNBS |
1:05.30 |
1:05.65 |
0.35 |
| 9 |
Karadeniz, Derin M (15)
|
MRHVD |
1:16.39 |
1:06.55 |
-9.84 |
| 10 |
Juarez Espinoza, Marvin (17)
|
MRMHHW |
1:07.61 |
1:06.72 |
-0.89 |
| 11 |
Davis, Miles K (15)
|
MRNBS |
1:13.23 |
1:11.53 |
-1.70 |
| 12 |
Constancio, Markus A (15)
|
MRNBS |
1:13.32 |
1:13.57 |
0.25 |
|
Tuttle, Peyton J (15)
|
MRNBS |
57.49 |
NS |
- |