| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Taylor, Andrew J (9)
|
NCGG |
44.71 |
43.68 |
-1.03 |
| 2 |
Henage, Charles C (10)
|
NCWA |
43.78 |
43.89 |
0.11 |
| 3 |
Mogray, Joseph M (10)
|
NCCVAC |
48.27 |
47.34 |
-0.93 |
| 4 |
Kihneman, Henry P (9)
|
NCCVAC |
51.41 |
48.79 |
-2.62 |
| 5 |
Richards, Charles P (10)
|
NCCVAC |
50.99 |
49.60 |
-1.39 |
| 6 |
Bartlett, Jack W (10)
|
NCCVAC |
51.29 |
50.26 |
-1.03 |
| 7 |
Caldwell, Zachery P (10)
|
NCLENR |
51.63 |
51.58 |
-0.05 |
| 8 |
Black, Daniel R (10)
|
NCRCST |
1:02.23 |
51.86 |
-10.37 |
| 9 |
McKinney, Jacob C (10)
|
NCCVAC |
1:05.86 |
58.12 |
-7.74 |
| 10 |
Lugo, Raphael J (10)
|
NCRCST |
|
1:00.60 |
- |
| 11 |
Tracy, Peter C (9)
|
NCCVAC |
1:09.59 |
1:05.89 |
-3.70 |
| 12 |
Stroman, Porter J (10)
|
NCGG |
|
1:18.19 |
- |
|
Hareyan, Narek (9)
|
NCCVAC |
|
DQ |
- |
|
Blanco Garcia, Guillermo (9)
|
NCGG |
|
DQ |
- |
|
Stevens, Aedon C (9)
|
NCLENR |
|
DQ |
- |
|
Robinson, Jonah R (9)
|
NCGG |
1:08.22 |
NS |
- |