| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Li, Shoonhsin S (16)
|
NIKRKN |
52.99 |
53.84 |
0.85 |
| 2 |
Browning, Cyrus M (15)
|
NIISWM |
54.39 |
57.42 |
3.03 |
| 3 |
Schultz, Michael (15)
|
NICVSC |
54.31 |
57.87 |
3.56 |
| 4 |
McClelland, Caleb J (17)
|
NIWAAC |
58.85 |
58.24 |
-0.61 |
| 5 |
Tague, William F (17)
|
NIISWM |
1:00.88 |
58.87 |
-2.01 |
| 6 |
Nached, Greg M (15)
|
NIKRKN |
1:03.84 |
1:02.97 |
-0.87 |
| 7 |
Glaubitz, Flaminio S (15)
|
NIISWM |
1:03.06 |
1:03.90 |
0.84 |
| 8 |
Guilfoyle, Connor J (20)
|
NIUNAC |
1:04.74 |
1:04.01 |
-0.73 |
| 9 |
Adams, Cameron D (17)
|
NIGGST |
|
1:22.01 |
- |
|
Wallisky, Christopher M (16)
|
NIKRKN |
1:07.11 |
NS |
- |