| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Ramjohn, Jalen K (15)
|
MRUN |
50.62 |
49.48 |
-1.14 |
| 2 |
Fischer, Christopher J (21)
|
MRUN |
50.99 |
53.16 |
2.17 |
| 3 |
Pacsi, Mauro H (16)
|
MRCOND |
48.00 |
53.91 |
5.91 |
| 4 |
Ruiz, Brian S (17)
|
MRCOND |
50.00 |
54.45 |
4.45 |
| 5 |
Chia, Derrick (13)
|
MRNCAC |
55.00 |
55.44 |
0.44 |
| 6 |
Merone, Matthew F (14)
|
MRCOND |
54.00 |
56.68 |
2.68 |
| 7 |
Eboli, Michael J (16)
|
MRUN |
56.39 |
56.89 |
0.50 |
| 7 |
Wong, Kevin (14)
|
MRHS |
1:04.71 |
56.89 |
-7.82 |
| 9 |
Finnerty, William K (14)
|
MRCOND |
57.00 |
57.65 |
0.65 |
| 10 |
Mendoza, Joel D (16)
|
MRCOND |
54.11 |
58.04 |
3.93 |
| 11 |
Kantar, Kevin F (16)
|
MRCOND |
54.00 |
58.26 |
4.26 |
| 12 |
Kamal, George (20)
|
MRNCAC |
|
1:02.00 |
- |
| 13 |
Martinez, Christopher I (16)
|
MRUN |
1:03.98 |
1:02.35 |
-1.63 |
| 14 |
Bialik, Richard G (16)
|
MRCOND |
1:06.00 |
1:02.53 |
-3.47 |
| 15 |
Wang, Harry H (14)
|
MRAPEX |
1:03.09 |
1:02.75 |
-0.34 |
| 16 |
Bzikot, Konrad (13)
|
MRNCAC |
1:02.00 |
1:02.81 |
0.81 |
| 17 |
Malhas, Noah J (13)
|
MRCOND |
1:29.80 |
1:05.15 |
-24.65 |
| 18 |
Cusmano, Arlo D (13)
|
MRCOND |
1:16.00 |
1:19.69 |
3.69 |
|
Gonzalez, David A (13)
|
MRNCAC |
|
NS |
- |
|
Kantar, Michael F (13)
|
MRCOND |
53.70 |
NS |
- |
|
Kantar, David F (13)
|
MRCOND |
54.60 |
NS |
- |