| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Dean, Conner T (11)
|
NISTAR |
40.88 |
40.54 |
-0.34 |
| 2 |
Hayter, Daniel J (11)
|
NISHAQ |
40.35 |
41.53 |
1.18 |
| 3 |
Young-Mandiak, Atticus F (11)
|
NISTAR |
43.00 |
42.22 |
-0.78 |
| 4 |
O'Brien, Kevin J (11)
|
NICLSC |
41.04 |
42.25 |
1.21 |
| 5 |
Sousa, Evan F (11)
|
NIFAST |
51.43 |
50.87 |
-0.56 |
| 6 |
Gray, Richie L (11)
|
NISTAR |
|
1:11.65 |
- |
| 7 |
Sanka, Abhinav Gupta (11)
|
NIVELO |
|
1:13.99 |
- |
| 8 |
Chelpinski, Alexander (11)
|
NIVELO |
1:06.55 |
1:16.56 |
10.01 |
|
Peyser, Peter M (11)
|
NICLSC |
35.47 |
NS |
- |
|
Ogletree, Blaine A (11)
|
NIFAST |
1:02.57 |
NS |
- |
|
Fisher, Simon D (11)
|
NISTAR |
59.99 |
NS |
- |