| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Menu, Miles X (10)
|
MREHY |
43.82 |
43.78 |
-0.04 |
| 2 |
Dwyer, Sam M (10)
|
MRCIY |
47.12 |
46.16 |
-0.96 |
| 3 |
Kriegsman, Benjamin R (10)
|
MREHY |
47.90 |
48.28 |
0.38 |
| 4 |
O'Sullivan, Benjamin (10)
|
MREHY |
53.73 |
48.33 |
-5.40 |
| 5 |
Tarbet, Nathaniel (10)
|
MREHY |
51.11 |
53.60 |
2.49 |
| 6 |
Cross, John T (10)
|
MRCIY |
53.54 |
55.23 |
1.69 |
| 7 |
Macom, Shane M (10)
|
MRCIY |
57.48 |
56.82 |
-0.66 |
| 8 |
Kelt, Jack I (9)
|
MREHY |
|
57.93 |
- |
| 9 |
Argyris, Konstantinos A (9)
|
MRCIY |
1:00.37 |
1:00.18 |
-0.19 |
| 10 |
Cross, Robert J (9)
|
MRCIY |
1:02.11 |
1:05.04 |
2.93 |
| 11 |
Abbes, Amir (9)
|
MREHY |
|
1:22.20 |
- |
|
Dansker, Tyler L (9)
|
MRCIY |
|
DQ |
- |