| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Roche, Samuel L (15)
|
NIFAST |
48.80 |
50.31 |
1.51 |
| 2 |
Triaszin, Matthew V (15)
|
NIFAST |
52.22 |
52.58 |
0.36 |
| 3 |
Prosser, Tyler R (15)
|
NIFAST |
51.83 |
53.19 |
1.36 |
| 4 |
Yuan, Kyle (15)
|
NIPACK |
52.74 |
53.46 |
0.72 |
| 5 |
Xie, Michael O (16)
|
NIPACK |
53.23 |
55.20 |
1.97 |
| 6 |
Lucia, Matthew J (15)
|
NIPACK |
57.53 |
57.25 |
-0.28 |
| 7 |
Oneil, Callum (14)
|
NIPACK |
1:00.35 |
57.59 |
-2.76 |
| 8 |
Ryan, Cody J (15)
|
NIFAST |
1:00.44 |
58.25 |
-2.19 |
| 9 |
Krysan, Mark R (14)
|
NIPACK |
59.45 |
58.27 |
-1.18 |
| 10 |
Cupo, Michael A (13)
|
NIPACK |
1:02.59 |
1:02.18 |
-0.41 |
| 11 |
Levanowitz, Justin A (15)
|
NIFAST |
1:01.12 |
1:02.20 |
1.08 |
| 12 |
Palmer, Alexander R (11)
|
NIFAST |
1:02.97 |
1:06.87 |
3.90 |
| 13 |
Webster, Hayne W (11)
|
NIUN |
1:09.88 |
1:10.76 |
0.88 |
| 14 |
Bosa, Andrea G (11)
|
NIPACK |
1:13.05 |
1:11.84 |
-1.21 |
| 15 |
Woods, Sam S (13)
|
NIPACK |
1:14.71 |
1:13.48 |
-1.23 |
| 16 |
Golembiewski, Lucas A (10)
|
NIPACK |
1:23.32 |
1:17.61 |
-5.71 |
| 17 |
Woods, Jack L (8)
|
NIPACK |
|
1:30.61 |
- |
| 18 |
Goltsman, Adam J (10)
|
NISDSC |
2:12.79 |
2:20.36 |
7.57 |