| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Hall, George D (15)
|
NTCOR |
51.23 |
52.37 |
1.14 |
| 2 |
Magee, Ian A (16)
|
NTCOPS |
54.30 |
53.71 |
-0.59 |
| 3 |
Coln, Phoenix J (16)
|
NTCOR |
53.05 |
54.45 |
1.40 |
| 4 |
Broad, Lance G (16)
|
NTCOR |
55.69 |
54.92 |
-0.77 |
| 5 |
Volesky, Nicholas R (16)
|
NTCOPS |
55.42 |
55.78 |
0.36 |
| 6 |
Dobrott, John R (15)
|
NTCOPS |
53.13 |
55.97 |
2.84 |
| 7 |
Rowe, William A (17)
|
NTCOPS |
53.06 |
56.13 |
3.07 |
| 8 |
Smith, Christopher J (15)
|
NTCOPS |
56.41 |
56.26 |
-0.15 |
| 9 |
Campbell, Alexander C (16)
|
NTCOR |
57.84 |
56.58 |
-1.26 |
| 10 |
Leach, Andrew D (17)
|
NTCOPS |
57.20 |
56.84 |
-0.36 |
| 11 |
Tran, Nicholas W (16)
|
NTCOPS |
58.22 |
58.32 |
0.10 |
| 12 |
Moore, Reese R (15)
|
NTCOPS |
1:01.67 |
1:00.00 |
-1.67 |
| 13 |
Balzac, Bennett N (15)
|
NTCOR |
|
1:24.04 |
- |
|
Berube, Jack R (15)
|
NTUN |
1:09.70 |
NS |
- |