| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Thigpen, Charles G (12)
|
MREAST |
36.63 |
36.61 |
-0.02 |
| 2 |
Sahi, Maximus Sandeep Alex (12)
|
MREAST |
40.42 |
41.47 |
1.05 |
| 3 |
Amen, Logan B (12)
|
CTGRYM |
|
41.81 |
- |
| 4 |
Masters, Andrew C (12)
|
MREAST |
40.74 |
41.83 |
1.09 |
| 5 |
Rodriguez, Christian J (12)
|
MREAST |
43.40 |
42.59 |
-0.81 |
| 6 |
Kania-Neira, Nikko (11)
|
CTGRYM |
41.07 |
44.41 |
3.34 |
| 7 |
Rogers, Hunter T (12)
|
CTGRYM |
41.70 |
44.89 |
3.19 |
| 8 |
Gojka, Joseph R (11)
|
MREAST |
49.12 |
45.25 |
-3.87 |
| 9 |
Cha, Oliver (11)
|
CTGRYM |
47.99 |
49.71 |
1.72 |
| 10 |
Geer, Charles M (11)
|
MREAST |
44.98 |
51.98 |
7.00 |
| 11 |
Basavaraju, Ronav S (12)
|
MREAST |
|
53.54 |
- |
| 12 |
Dong, Tian (11)
|
MREAST |
|
1:01.59 |
- |
| 13 |
Bandsma, Oran I (11)
|
MREAST |
1:06.17 |
1:08.20 |
2.03 |
|
Afshar, Nicolas C (11)
|
MREAST |
46.51 |
DQ |
- |
|
Licciardello, Salvatore M (12)
|
MREAST |
53.36 |
DQ |
- |
|
Liu, Matthew (11)
|
MREAST |
|
DQ |
- |