| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Young, Chaz N (17)
|
MRRED |
55.89 |
54.89 |
-1.00 |
| 2 |
Streeter, Myles (17)
|
MRCAS |
55.02 |
55.13 |
0.11 |
| 3 |
Hernandez, Luis (15)
|
MRCAS |
56.74 |
56.12 |
-0.62 |
| 4 |
Orman-Kollmar, Maximilian A (17)
|
MRAPEX |
55.46 |
57.34 |
1.88 |
| 5 |
Sanchez, Ryan (18)
|
MRRED |
58.72 |
58.84 |
0.12 |
| 6 |
Diaz, Louis A (18)
|
MRKBM |
57.28 |
1:01.03 |
3.75 |
| 7 |
Zhenilenko, Alan P (15)
|
MRHES |
1:01.76 |
1:01.29 |
-0.47 |
| 8 |
Hidalgo, Ricardo A (15)
|
MRWAC |
59.06 |
1:01.59 |
2.53 |
| 9 |
Sanchez, Stallion (16)
|
MRKBM |
59.00 |
1:01.62 |
2.62 |
| 10 |
Polanco, Dan (15)
|
MRKBM |
1:02.41 |
1:01.82 |
-0.59 |
| 11 |
Sanchez, Andersson (16)
|
MRKBM |
1:00.49 |
1:01.93 |
1.44 |
| 12 |
Pena, Michael A (15)
|
MRAPEX |
1:03.54 |
1:04.25 |
0.71 |
| 13 |
Williams, Jared A (16)
|
MRCAS |
1:04.63 |
1:06.90 |
2.27 |
| 14 |
Cabrera, Steven (17)
|
MRTSC |
1:07.21 |
1:07.13 |
-0.08 |
| 15 |
Griffith, Keyshawn I (17)
|
MRRED |
1:04.78 |
1:07.46 |
2.68 |
| 16 |
Richiez, Nasser N (16)
|
MRAPEX |
1:10.09 |
1:09.82 |
-0.27 |
| 17 |
Alexandrov, Nickola T (16)
|
MRAPEX |
1:09.14 |
1:09.86 |
0.72 |
| 18 |
Lucas, Christian J (15)
|
MRAPEX |
1:16.97 |
1:10.81 |
-6.16 |
| 19 |
Luefoung, Akeem M (17)
|
MRTSC |
1:14.94 |
1:13.77 |
-1.17 |
| 20 |
Diaby, Pape (16)
|
MRTSC |
1:24.87 |
1:22.68 |
-2.19 |