| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
He, David (17)
|
MRTVSC |
51.06 |
51.63 |
0.57 |
| 2 |
Kubik, Cameron H (16)
|
MRTVSC |
52.78 |
54.15 |
1.37 |
| 3 |
Macejko, Dylan M (16)
|
MRCSDC |
55.59 |
57.17 |
1.58 |
| 4 |
Williams, Brendan M (15)
|
MRTVSC |
55.34 |
58.13 |
2.79 |
| 5 |
Pergan III, Chester J (15)
|
MRTVSC |
57.22 |
58.14 |
0.92 |
| 6 |
Muroff, Michael C (16)
|
MRTVSC |
1:00.63 |
1:00.68 |
0.05 |
| 8 |
Sweeney, Joseph T (17)
|
MRTVSC |
1:09.76 |
1:04.25 |
-5.51 |
| 9 |
Bach, Daniel (15)
|
MRCSDC |
1:05.01 |
1:04.75 |
-0.26 |
| 10 |
Nigro, Christopher K (15)
|
MRCSDC |
1:08.39 |
1:07.15 |
-1.24 |
| 10 |
Muller, Shane G (15)
|
MRTVSC |
1:07.34 |
1:07.15 |
-0.19 |
| 12 |
Menis, Matthew N (17)
|
MRSSC |
1:06.63 |
1:07.55 |
0.92 |