| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Chung, Theodore (8)
|
MRLIAC |
43.86 |
44.58 |
0.72 |
| 2 |
Wang, Alan (8)
|
MREAST |
|
45.04 |
- |
| 3 |
Mulder, Robert J (8)
|
MRPAC |
47.34 |
45.54 |
-1.80 |
| 4 |
Zhang, Vincent (8)
|
MREAST |
1:01.20 |
51.34 |
-9.86 |
| 5 |
Royzman, Jacob B (7)
|
MREAST |
54.54 |
51.82 |
-2.72 |
| 6 |
Auguste, Kellan P (8)
|
MRPAC |
55.77 |
53.63 |
-2.14 |
| 7 |
Batty, Indiana (8)
|
MRMAKO |
1:05.77 |
53.70 |
-12.07 |
| 8 |
Rathmann-Noonan, Rumi (6)
|
MRMAKO |
59.77 |
56.15 |
-3.62 |
| 9 |
Fingeroth, Jason M (8)
|
MRPAC |
1:04.93 |
57.35 |
-7.58 |
| 10 |
Grechukhin, Eugene (8)
|
MREAST |
1:03.28 |
59.33 |
-3.95 |
| 11 |
Faulkner, Neil I (8)
|
MREAST |
|
1:01.09 |
- |
| 12 |
Zhang, Ethan (7)
|
MREAST |
|
1:07.24 |
- |
|
Licciardello, Isaac C (7)
|
MREAST |
|
DQ |
- |