| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Pagan, Raphael L (14)
|
FGDRSC |
54.95 |
55.42 |
0.47 |
| 2 |
Nguyen, Ricky (14)
|
FGFFSC |
56.90 |
55.82 |
-1.08 |
| 3 |
Lucas, Jesus M (14)
|
FGNMST |
55.69 |
56.64 |
0.95 |
| 4 |
Marrero, Javier (13)
|
FGFFSC |
56.70 |
56.89 |
0.19 |
| 5 |
Puller, Maximus W (13)
|
FGCANE |
56.81 |
57.54 |
0.73 |
| 6 |
Forde, Yohance J (13)
|
FGCANE |
59.04 |
59.53 |
0.49 |
| 7 |
Tapia, Jiovanni J (14)
|
FGMSA |
58.96 |
59.71 |
0.75 |
| 8 |
Perez, Andres F (14)
|
FGFFSC |
|
1:00.99 |
- |
| 9 |
Dragoni, Devin (14)
|
FGFFSC |
|
1:02.09 |
- |
| 10 |
Estrada, Jonathan A (13)
|
FGDRSC |
1:02.74 |
1:03.27 |
0.53 |
| 11 |
Miskevich, Ivan (14)
|
FGNMST |
1:01.70 |
1:04.18 |
2.48 |
| 12 |
Prasad, Rohan (13)
|
FGFFSC |
1:10.00 |
1:08.61 |
-1.39 |
| 13 |
Lutfi, Luis A (14)
|
FGMSA |
1:07.97 |
1:09.36 |
1.39 |
| 14 |
Pecci, Mitchell R (13)
|
FGSOFL |
|
1:15.48 |
- |
| 15 |
Rodriguez, Sebastian (13)
|
FGDRSC |
|
1:15.50 |
- |
| 16 |
Bourjolly, Sebastien L (13)
|
FGSOFL |
|
1:26.65 |
- |
| 17 |
Cavanaugh, Daniel (13)
|
FGNMST |
|
1:37.66 |
- |
|
Pacheco, Sixto M (13)
|
FGMSA |
1:16.17 |
NS |
- |