| Final | Team | time | | | | 1. Yeimer Lopez | CUB | 1:44.58 | PR | | 2. Kleberson Davide | BRA | 1:45.47 | PB | | 3. Fabiano Peçanha | BRA | 1:45.54 | SB | | 4. Achraf Tadili | CAN | 1:46.07 | | | 5. Andy Gonzalez | CUB | 1:47.06 | SB | | 6. Aldwyn Sappleton | JAM | 1:47.14 | | | 7. Gustavo Aguirre | ARG | 1:47.23 | PB | | 8. David Freeman | PUR | 1:47.31 | |
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| Heats - First 2 and Best 2 progress. |
| Heat 1 | Team | time | L | | 1. Yeimer Lopez | CUB | 1:46.69 | SB | | 4. Achraf Tadili | CAN | 1:47.07 | | | 6. Gustavo Aguirre | ARG | 1:47.60 | | | 8. Eduar Villanueva | VEN | 1:48.05 | PB | | 11.Jamaal James | TRI | 1:48.52 | | | 18.Jenner Pelico | GUA | 1:55.52 | |
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| Heat 2 | Team | time | L | | 13.Kleberson Davide | BRA | 1:49.31 | | | 14.Andy Gonzalez | CUB | 1:49.94 | | | 15.Martell Carlos Munguia | MEX | 1:50.03 | | | 16.Andrae Drummonds | JAM | 1:50.68 | | | 17.Sherridan Kirk | TRI | 1:52.05 | | | 19.Raffique Providence | SVG | 1:57.82 | | | 20.Kadeem Smith | SKN | DNS | |
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| Heat 3 | Team | time | L | | 2. Fabiano Peçanha | BRA | 1:46.73 | | | 3. Aldwyn Sappleton | JAM | 1:46.84 | PB | | 5. David Freeman | PUR | 1:47.27 | | | 7. Duane Solomon | USA | 1:47.73 | | | 9. Fadrique Iglesias | BOL | 1:48.27 | SB | | 10.Moise Joseph | HAI | 1:48.35 | | | 12.Bayron Piedra | ECU | 1:48.56 | |
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