| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Kotronis, Zachary (12)
|
MRSS |
34.33 |
33.48 |
-0.85 |
| 2 |
Garcia, Alberto (12)
|
MRBWBW |
35.65 |
35.09 |
-0.56 |
| 3 |
Dilchand, Sanjiv (11)
|
MRBWBW |
34.93 |
35.10 |
0.17 |
| 4 |
Ustymenko, Volodymyr (11)
|
MRSHY |
39.20 |
35.98 |
-3.22 |
| 5 |
Wong, Justin (12)
|
MRSS |
37.88 |
37.32 |
-0.56 |
| 6 |
Vizhco, Dexter H (12)
|
MRCAS |
37.86 |
37.86 |
0.00 |
| 7 |
Haskins, Alade (11)
|
MRCAS |
37.55 |
38.40 |
0.85 |
| 8 |
Vileshin, Daniel S (12)
|
MRSHY |
40.62 |
39.67 |
-0.95 |
| 9 |
Gatterdam, Thomas L (12)
|
MRSS |
39.79 |
39.92 |
0.13 |
| 10 |
Diaz, Anthony M (12)
|
MRFA |
40.97 |
40.53 |
-0.44 |
| 11 |
Anuszkiewicz, Andre J (12)
|
MRSS |
41.70 |
40.54 |
-1.16 |
| 12 |
Spring, Eli (12)
|
MRASAP |
40.13 |
40.55 |
0.42 |
| 13 |
Mogenis, Jake T (11)
|
MRFA |
41.75 |
42.31 |
0.56 |
| 14 |
Dagnogo, Mohamed (12)
|
MRBWBW |
39.87 |
42.76 |
2.89 |
| 15 |
Scholz, Michael G (11)
|
MRSS |
41.90 |
43.08 |
1.18 |
| 16 |
Abramov, Ethan (11)
|
MRSHY |
46.51 |
43.72 |
-2.79 |
| 17 |
Nalle, Alistair C (11)
|
MRSS |
43.33 |
44.99 |
1.66 |
| 18 |
Gutierrez, Mathew (11)
|
MRCAS |
46.57 |
45.56 |
-1.01 |
| 19 |
Fraccari, Sebastian E (11)
|
MRASAP |
1:05.43 |
1:03.51 |
-1.92 |