| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Cunningham, Rigoberto P (10)
|
NIGRAY |
32.85 |
34.26 |
1.41 |
| 2 |
Cunningham, Antonio J (10)
|
NIGRAY |
35.68 |
37.18 |
1.50 |
| 3 |
Harrington, Robert A (9)
|
NIGRAY |
40.88 |
38.50 |
-2.38 |
| 4 |
Higley, Henry M (9)
|
NIGRAY |
42.05 |
38.73 |
-3.32 |
| 5 |
Peters, Boden C (9)
|
NIGRAY |
42.42 |
38.75 |
-3.67 |
| 6 |
Savage, Kieran E (9)
|
NIGRAY |
45.10 |
39.49 |
-5.61 |
| 7 |
Boulatnikov, Nicholas C (9)
|
NIGRAY |
43.94 |
44.05 |
0.11 |
| 8 |
Tipple, Simon E (9)
|
NIGRAY |
|
45.15 |
- |
| 9 |
Soler-Harand, Charles (10)
|
NIGRAY |
44.92 |
46.34 |
1.42 |
|
Gabrielsen, William S (10)
|
NIGRAY |
|
NS |
- |
|
Yarovinsky, Peter (10)
|
NIGRAY |
|
NS |
- |