| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Brennan, Brian P (15)
|
MASSC |
52.16 |
59.01 |
6.85 |
| 2 |
McGill, Will R (17)
|
MASSC |
59.49 |
59.49 |
0.00 |
| 3 |
Hughes, Jack R (14)
|
MASSC |
58.73 |
1:00.53 |
1.80 |
| 4 |
Fechtman Jr., David P (13)
|
MAUNAT |
1:02.74 |
1:01.40 |
-1.34 |
| 5 |
Koenig, Pierre J (13)
|
MASSC |
58.98 |
1:01.72 |
2.74 |
| 6 |
Hughes, James A (14)
|
MASSC |
1:01.12 |
1:02.29 |
1.17 |
| 7 |
Sumner, Zachary J (14)
|
MASSC |
1:11.05 |
1:04.55 |
-6.50 |
| 8 |
Smirnov, Alexander (14)
|
MASSC |
1:09.94 |
1:10.45 |
0.51 |
| 9 |
Dietrick, Matthew J (14)
|
MASSC |
1:14.23 |
1:11.16 |
-3.07 |
| 10 |
Johnson, Wyatt C (13)
|
MASSC |
1:16.65 |
1:14.71 |
-1.94 |
| 11 |
Nangle, John (13)
|
MASSC |
1:22.15 |
1:18.56 |
-3.59 |
|
Mastrangelo, Brett M (17)
|
MASSC |
1:00.32 |
NS |
- |