| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Martin, Dario (14)
|
FGOSC |
1:00.80 |
1:00.56 |
-0.24 |
| 2 |
Felt, Dylan M (14)
|
FGSFTL |
1:03.80 |
1:03.60 |
-0.20 |
| 3 |
Mitchell, Dominick J (14)
|
FGSFTL |
|
1:07.40 |
- |
| 4 |
Chen, Eddy W (14)
|
FGGRSC |
1:08.83 |
1:07.68 |
-1.15 |
| 5 |
McCrady, James H (14)
|
FGSFTL |
1:09.02 |
1:08.14 |
-0.88 |
| 6 |
Lobaton Vargas, Sebastian (13)
|
FGAZFL |
1:08.81 |
1:08.55 |
-0.26 |
| 7 |
Givskov, Daniel (14)
|
FGSFTL |
1:05.17 |
1:08.79 |
3.62 |
| 8 |
Cancio, Marco A (13)
|
FGGRSC |
1:11.63 |
1:09.87 |
-1.76 |
| 9 |
Orozco, David A (13)
|
FGGRSC |
1:11.07 |
1:10.29 |
-0.78 |
| 10 |
Powers-Hammond, Thomas J (13)
|
FGSFTL |
1:12.94 |
1:10.86 |
-2.08 |
| 11 |
Hernandez, Adrian G (13)
|
FGSOFL |
1:26.82 |
1:11.96 |
-14.86 |
| 12 |
Diegues, Giancarlo D (14)
|
FGUN-A |
1:15.17 |
1:13.19 |
-1.98 |
| 13 |
Shearer, Mateo (13)
|
FGSUN |
1:17.45 |
1:14.13 |
-3.32 |
| 14 |
Grass, Ivan L (14)
|
FGGRSC |
1:13.57 |
1:14.64 |
1.07 |
| 15 |
Lenz Cesar, Felipe B (14)
|
FGGRSC |
1:18.54 |
1:16.17 |
-2.37 |
| 16 |
Santos, Jonas Y (13)
|
FGSFTL |
1:17.33 |
1:16.49 |
-0.84 |
| 17 |
Johnson, Marcus K (13)
|
FGBRST |
1:42.59 |
1:16.60 |
-25.99 |
| 18 |
Moran Toledo, Santiago (13)
|
FGGRSC |
1:20.13 |
1:17.39 |
-2.74 |
| 19 |
Arias, Samuel (14)
|
FGGRSC |
1:16.55 |
1:19.10 |
2.55 |
| 20 |
Nelson, Austin R (13)
|
FGSOFL |
1:30.61 |
1:21.84 |
-8.77 |
| 21 |
Chichoni, Zachary (14)
|
FGGRSC |
1:22.70 |
1:24.92 |
2.22 |
| 22 |
Ljoen, Santiago A (13)
|
FGGRSC |
|
1:34.40 |
- |
| 23 |
Keung, Nathan G (13)
|
FGUN-0 |
|
1:35.53 |
- |
| 24 |
Sarmiento, Juan E (13)
|
FGPST |
|
1:50.44 |
- |
| 38 |
Sanchez, Alexis J (14)
|
FGPST |
|
1:26.00 |
- |
|
Teran, Andres E (13)
|
FGAZFL |
1:10.67 |
DQ |
- |
|
Lenz Cesar, Joao Pedro B (14)
|
FGGRSC |
1:17.19 |
NS |
- |