| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Swemba, Carter B (8)
|
PVFISH |
51.73 |
51.23 |
-0.50 |
| 2 |
Bortner, Reed C (8)
|
PVFXFX |
49.77 |
51.47 |
1.70 |
| 3 |
Komiss, Roland H (8)
|
PVFXFX |
56.07 |
54.53 |
-1.54 |
| 4 |
Cotner Phillips, Mahina J (8)
|
PVFISH |
53.53 |
55.17 |
1.64 |
| 5 |
Nagtzaam, Graham P (8)
|
PVPM |
55.35 |
56.66 |
1.31 |
| 6 |
Glover, Donovan E (8)
|
PVFXFX |
55.98 |
57.22 |
1.24 |
| 7 |
Saunders, Christian F (8)
|
PVPM |
1:04.67 |
58.31 |
-6.36 |
| 8 |
Busch, Henry W (8)
|
PVPM |
57.09 |
59.97 |
2.88 |
| 9 |
Albino-Griffith, Luca T (8)
|
PVFISH |
|
1:08.60 |
- |
| 10 |
Holler, Leif A (8)
|
PVPM |
|
1:13.88 |
- |
| 11 |
Murdoch, Zachary N (8)
|
PVPM |
1:02.03 |
1:17.05 |
15.02 |
| 12 |
Gao, Andrew B (8)
|
PVFISH |
1:12.04 |
1:20.63 |
8.59 |
|
McCleary, Taysom R (8)
|
PVFXFX |
|
DQ |
- |
|
Gines, Xavier C (8)
|
PVPM |
|
DQ |
- |
|
Daddio, Ernest A (8)
|
PVFXFX |
|
NS |
- |
|
Chambers, Quinn Y (8)
|
PVPM |
|
NS |
- |