| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Poplawski, Richard (10)
|
NJCBGC |
41.92 |
37.43 |
-4.49 |
| 2 |
Zhao, Matthew J (10)
|
MRLIAC |
42.75 |
41.70 |
-1.05 |
| 3 |
Kushnirsky, David A (10)
|
MRLIAC |
41.68 |
42.13 |
0.45 |
| 4 |
McCarthy, Aidan N (10)
|
MRLIAC |
43.39 |
43.05 |
-0.34 |
| 5 |
Demaio, Thomas M (10)
|
MRTVSC |
44.51 |
45.60 |
1.09 |
| 6 |
Leng, Toby J (10)
|
MRLIAC |
50.17 |
49.09 |
-1.08 |
| 7 |
Castano, Nicholas M (9)
|
MRLIAC |
49.74 |
49.96 |
0.22 |
| 8 |
Sommerstad, Ryan T (9)
|
MRTVSC |
47.89 |
50.27 |
2.38 |
| 9 |
Koufalis, Konstantinos (10)
|
MRBAD |
48.11 |
50.58 |
2.47 |
| 10 |
Li, Solomon (10)
|
MRLIAC |
52.66 |
51.34 |
-1.32 |
| 11 |
Ladyzhensky, Michael A (10)
|
MRBAD |
48.12 |
54.40 |
6.28 |
| 12 |
Ma, Henry Y (9)
|
MRLIAC |
55.86 |
55.70 |
-0.16 |
| 13 |
Soviero, William G (10)
|
MRBAD |
1:02.57 |
1:12.92 |
10.35 |