| Final 18:45 | Team | time | L | | 1. Omar Longart | VEN | 46.09s | 3 | | 2. Hederson Estefani | BRA | 46.85s | 6 | | 3. Helder Alves | BRA | 47.40s | 4 | | 4. Terrence Agard | AHO | 47.47s | 7 | | 5. Jorge Eduardo Monteros Cortez | ECU | 48.04s | 5 | | 6. Ruben Headly | VEN | 48.08s | 2 | | 7. Javier Palacios Hurtado | COL | 48.61s | 8 | | -. Matias Larregle | ARG | DNS | 1 |
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| Heat 1 11:30 | Team | time | L | | 1. Helder Alves | BRA | 48.30s | 4 | | 2. Jorge Eduardo Monteros Cortez | ECU | 48.32s | 2 | | 3. Javier Palacios Hurtado | COL | 48.34s | 7 | | 4. Ruben Headly | VEN | 48.60s | 5 | | 5. Julio Alfredo Perez Bernal | PER | 48.79s | 3 | | 6. Diego Rafael Lira Isensee | CHI | 49.12s | 6 |
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| Heat 2 11:40 | Team | time | L | | 1. Omar Longart | VEN | 46.94s | 7 | | 2. Hederson Estefani | BRA | 47.23s | 2 | | 3. Terrence Agard | AHO | 47.95s | 5 | | 4. Matias Larregle | ARG | 48.24s | 4 | | 5. Yohan David Ramirez Ibarguen | COL | 48.79s | 6 | | 6. Wilter Elias Cagua Bermudez | ECU | 49.73s | 3 |
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