| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brock, Graham P (10)
|
MABWA |
54.19 |
49.76 |
-4.43 |
| 2 |
Kennedy, John T (10)
|
MAGSA |
54.56 |
52.82 |
-1.74 |
| 3 |
Coleman, Joseph J (10)
|
MANAC |
54.72 |
53.40 |
-1.32 |
| 4 |
Ostrowski, Michael L (10)
|
MABLUE |
1:05.71 |
53.69 |
-12.02 |
| 5 |
Atkinson, Joseph S (10)
|
MAFSA |
55.86 |
55.29 |
-0.57 |
| 6 |
Feliciano, Gabriel A (10)
|
MABLUE |
54.95 |
56.45 |
1.50 |
| 7 |
Copp, Perry W (10)
|
MAMAR |
59.25 |
58.23 |
-1.02 |
| 8 |
Scheirer, Nathan W (10)
|
MAKIDS |
1:01.66 |
58.44 |
-3.22 |
| 9 |
Popat, Om B (10)
|
MAGAAC |
58.57 |
58.65 |
0.08 |
|
Chorba, Michael T (10)
|
MANAC |
56.86 |
NS |
- |
|
Levine, Lee D (10)
|
MANAC |
56.54 |
NS |
- |
|
Anton, Joseph W (10)
|
MASJAC |
57.77 |
NS |
- |
|
XU, Jerry (10)
|
MASJAC |
58.52 |
NS |
- |
|
Boucher, Max R (10)
|
MAWA |
53.94 |
NS |
- |