| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Diehl, Daniel T (15)
|
MDUN-0 |
58.61 |
55.46 |
-3.15 |
| 2 |
Edwards, Maxwell E (20)
|
VAUVA |
57.14 |
56.47 |
-0.67 |
| 3 |
Janton, Tommy F (16)
|
MAWEST |
59.09 |
56.59 |
-2.50 |
| 4 |
Cole, William R (18)
|
VAUVA |
56.68 |
56.88 |
0.20 |
| 5 |
Feyerick, Brett W (17)
|
PVNCAP |
57.34 |
56.95 |
-0.39 |
| 6 |
Ewing, James T (16)
|
PVFISH |
58.20 |
57.14 |
-1.06 |
| 7 |
Davis, Walker A (17)
|
VACA-Y |
48.15 |
57.79 |
9.64 |
| 8 |
Bitz, Colin A (18)
|
MDEST |
57.61 |
57.82 |
0.21 |
| 9 |
Redmond, Lawrence S (20)
|
PVNCAP |
58.10 |
57.83 |
-0.27 |
| 10 |
Williams, Sidney F (22)
|
NEUN-0 |
48.86 |
57.97 |
9.11 |
| 11 |
Whetstine, Clayton C (17)
|
VACGBD |
58.29 |
58.47 |
0.18 |
| 12 |
Soares, Nicholas C (17)
|
MAEMAC |
58.75 |
58.56 |
-0.19 |
| 13 |
Christian, John G (18)
|
MAUMLY |
57.95 |
59.32 |
1.37 |
| 14 |
Guiliano, Christopher R (17)
|
MATOPS |
50.72 |
59.35 |
8.63 |
| 15 |
Uribe, Brian G (17)
|
NJSCAR |
58.61 |
59.79 |
1.18 |
| 16 |
Franklin, Alexander J (17)
|
VACGBD |
49.95 |
59.88 |
9.93 |