| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thompson, Joseph K (14)
|
MRCAS |
56.36 |
55.28 |
-1.08 |
| 2 |
Siudzinski, William C (13)
|
MRASAP |
59.22 |
56.80 |
-2.42 |
| 3 |
Haskins, Alade (14)
|
MRCAS |
58.22 |
57.35 |
-0.87 |
| 4 |
Dagnogo, Ousman (13)
|
MRCAS |
59.30 |
58.38 |
-0.92 |
| 5 |
Panucci, Daniele (14)
|
MRBKR |
1:00.48 |
1:00.31 |
-0.17 |
| 6 |
Ehrenberg, Benjamin D (13)
|
MRASAP |
1:06.95 |
1:01.57 |
-5.38 |
| 7 |
StClair, Avery H (13)
|
MRBKR |
1:01.77 |
1:01.60 |
-0.17 |
| 8 |
Brown, Bryson (13)
|
MRCAS |
1:04.20 |
1:04.42 |
0.22 |
| 9 |
Graves, Gideon C (14)
|
MRBKR |
1:03.75 |
1:05.69 |
1.94 |
| 10 |
DeLeon, Ismeal R (14)
|
MRKBM |
1:05.16 |
1:06.22 |
1.06 |
| 11 |
Pineda, Joaquin M (14)
|
MRUN |
1:11.27 |
1:07.39 |
-3.88 |
| 12 |
Hong, Oliver (13)
|
MRLIFE |
1:26.23 |
1:13.80 |
-12.43 |