| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Filagrossi, Christian T (10)
|
MRLIAC |
45.99 |
40.64 |
-5.35 |
| 2 |
Bennett, Ryan A (10)
|
MRLIAC |
43.39 |
42.61 |
-0.78 |
| 3 |
Cash, Joseph G (10)
|
MRLIAC |
45.65 |
43.42 |
-2.23 |
| 4 |
Hertel, Kevin A (9)
|
MRLIAC |
41.61 |
43.86 |
2.25 |
| 5 |
Simons, Andrew J (9)
|
MRLIAC |
50.36 |
47.07 |
-3.29 |
| 6 |
McKemey, Jack B (9)
|
MRGAEL |
53.41 |
49.21 |
-4.20 |
|
Grayson, Christopher L (10)
|
MRLIAC |
1:05.00 |
DQ |
- |
|
Quinn, Kelan (9)
|
MRLIAC |
1:05.00 |
DQ |
- |
|
Llorente Valin, Leonardo (9)
|
MRYMID |
49.16 |
DQ |
- |
|
Rogliano, Matthew J (9)
|
MRYMID |
|
DQ |
- |
|
Valenzuela, Benjamin A (10)
|
MRLIAC |
1:10.50 |
NS |
- |