| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Valdivieso, Juan P (35)
|
MRNYAC |
51.19 |
53.40 |
2.21 |
| 2 |
Krause, William K (25)
|
MRNYAC |
54.64 |
55.78 |
1.14 |
| 3 |
Koster, John (17)
|
MRSMC |
52.22 |
56.22 |
4.00 |
| 4 |
Edwards, Grant (15)
|
MRSMC |
56.80 |
58.67 |
1.87 |
| 5 |
Schmitt, Andrew (17)
|
MRSMC |
58.68 |
1:01.36 |
2.68 |
| 6 |
Coleman, Taylor A (16)
|
MRSMC |
59.67 |
1:01.64 |
1.97 |
| 7 |
Koch, Alexander (15)
|
MRCFJV |
1:02.43 |
1:02.48 |
0.05 |
| 8 |
Polaner, Mason (15)
|
MRSMC |
57.88 |
1:02.77 |
4.89 |
| 9 |
Willman, Max (16)
|
MRCFJV |
1:03.65 |
1:04.16 |
0.51 |
| 10 |
Bellio, Sam J (15)
|
MRCFJV |
1:01.88 |
1:04.24 |
2.36 |
| 11 |
Hanchet, Malcolm (16)
|
MRSMC |
1:00.39 |
1:04.25 |
3.86 |
| 12 |
Chen, Zhihan (15)
|
MRAPEX |
1:18.00 |
1:08.73 |
-9.27 |
| 13 |
Lara, Jeffery (16)
|
MRUN |
1:05.89 |
1:10.03 |
4.14 |
| 14 |
Martinez, Christopher I (16)
|
MRAPEX |
|
1:17.10 |
- |
| 15 |
Wong, Bryan (18)
|
MRUN |
1:25.90 |
1:17.67 |
-8.23 |
|
Diallo, Oumar A (18)
|
MRTSC |
1:46.99 |
DQ |
- |
|
Hernandez, Rinaldy R (17)
|
MRTSC |
1:28.99 |
NS |
- |
|
Seibold, Finn J (15)
|
MRBAD |
1:00.13 |
NS |
- |