| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Modrov, Drew A (26)
|
MRUN |
|
56.17 |
- |
| 2 |
Schulze, Edward A (17)
|
MRIA |
1:02.75 |
1:04.76 |
2.01 |
| 3 |
Griffin, Spencer H (15)
|
MRHAA |
1:05.73 |
1:07.13 |
1.40 |
| 4 |
Prevosto, Salvatore A (17)
|
MRIA |
1:06.90 |
1:08.82 |
1.92 |
| 5 |
O'Malley, Connor M (15)
|
MRHAA |
1:09.89 |
1:11.42 |
1.53 |
| 6 |
Basini, Jacob (17)
|
MRHAA |
|
1:20.81 |
- |
| 7 |
Thomas, Kieran C (16)
|
MRIA |
1:17.80 |
1:20.90 |
3.10 |
| 8 |
McNamara, William A (15)
|
MRBBSC |
1:19.27 |
1:21.85 |
2.58 |
| 9 |
Graca, Antonio (15)
|
MRHAA |
1:20.52 |
1:26.75 |
6.23 |
|
DiBenedetto, Augustus V (12)
|
MRCIY |
1:44.00 |
NS |
- |