| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Zock, Joshua L (17)
|
MRVAC |
49.40 |
49.09 |
-0.31 |
| 2 |
Vreeland, Caleb R (16)
|
MRMVA |
53.96 |
52.02 |
-1.94 |
| 3 |
Hoody, Conrad E (15)
|
NJBB |
51.99 |
52.12 |
0.13 |
| 4 |
Sommer, Christopher A (16)
|
MRAG |
50.37 |
52.15 |
1.78 |
| 5 |
Pietraszka, Ryan (15)
|
MRMVA |
54.26 |
54.72 |
0.46 |
| 6 |
Stangeby, Jon-Christian (15)
|
MRAG |
53.50 |
55.08 |
1.58 |
| 7 |
Mireau, Marc C (16)
|
MRAG |
57.22 |
56.24 |
-0.98 |
| 8 |
Allan, Cameron A (15)
|
MRRA |
57.00 |
57.21 |
0.21 |
| 9 |
Sheridan, Aidan M (15)
|
MRRA |
59.60 |
59.13 |
-0.47 |
| 10 |
Semeran, Paul (15)
|
NJBB |
59.23 |
59.38 |
0.15 |
| 11 |
DeBeauvernet, Nikolas (15)
|
MRMVA |
1:18.04 |
59.56 |
-18.48 |
| 12 |
Meyler, Christopher J (15)
|
MRRA |
1:00.11 |
1:00.62 |
0.51 |
| 13 |
Brown, Finian H (15)
|
MRPBAC |
57.65 |
1:01.57 |
3.92 |
|
Rabadi, Nicholas (17)
|
MRRA |
49.95 |
NS |
- |