| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Butler, Daine M (12)
|
NIGGST |
41.68 |
41.84 |
0.16 |
| 2 |
Neville, Philip D (12)
|
NICAGO |
46.28 |
41.89 |
-4.39 |
| 3 |
Gorman, William G (12)
|
NIUNAC |
43.14 |
42.94 |
-0.20 |
| 4 |
Webster, Hayne W (12)
|
NIUN |
42.00 |
43.25 |
1.25 |
| 5 |
Webster, Travis J (11)
|
NIWAAC |
55.29 |
49.81 |
-5.48 |
| 6 |
McGovern, Patrick F (11)
|
NIUNAC |
1:03.32 |
49.94 |
-13.38 |
| 7 |
Clarner, Benjamin A (12)
|
NICAGO |
49.97 |
50.07 |
0.10 |
| 8 |
Venkataswamy, Eshwar (12)
|
NIWAAC |
54.30 |
56.25 |
1.95 |
| 9 |
Williams, Oscar B (11)
|
NIWAAC |
58.20 |
58.54 |
0.34 |
|
Ottoson, Trevor T (12)
|
ADSIDN |
|
DQ |
- |
|
Cleveland, Matthew J (12)
|
NIUNAC |
|
DQ |
- |