| Final | Team | time | | L | | 1. Chris Brown |  BAH | 44.85s | SB | 5 | | 2. Tyler Christopher |  CAN | 45.05s | | 4 | | 3. Chris Lloyd |  DCA | 45.40s | | 6 | | 4. William Collazo |  CUB | 45.45s | PB | 7 | | 5. Alleyne Francique |  GRE | 45.49s | SB | 8 | | 6. Avard Moncur | BAH | 45.51s | | 2 | | 7. Jamaal Torrance |  USA | 46.05s | | 1 | | -. Lionel Larry | USA | DNF | | 3 |
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| Semi-Finals - First 3 and Best 2 progress. |
| Semi 1 | Team | time | L | | 4. Chris Brown | BAH | 45.51s | | | 6. Chris Lloyd | DCA | 45.63s | | | 8. William Collazo | CUB | 45.75s | | | 8. Jamaal Torrance | USA | 45.75s | | | 10.Arismendy Peguero |  @.DOM $45.75s | | | 11.Ato Modibo |  TRI | 46.42s | | | 14.Leford Green |  JAM | 46.80s | | | 15.Nathan Vadeboncoeur | CAN | 47.39s | |
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| Semi 2 | Team | time | L | | 1. Tyler Christopher | CAN | 45.28s | | | 2. Lionel Larry | USA | 45.40s | | | 3. Avard Moncur | BAH | 45.44s | | | 5. Alleyne Francique | GRE | 45.57s | | | 7. Renny Quow | TRI | 45.74s | | | 12.Adolfo Martinez Felix |  PUR | 46.60s | | | 13.Omar Cisneros | CUB | 46.62s | | | 16.Carlos Santa |  DOM | 47.45s | |
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| Heats - First 3 and Best 4 progress. |
| Heat 1 | Team | time | L | | 1. Chris Brown | BAH | 45.12s | | | 3. Lionel Larry | USA | 45.32s | | | 4. Arismendy Peguero | DOM | 45.34s | PB | | 6. William Collazo | CUB | 45.63s | PB | | 17.Sanderlei Parrela |  BRA | 46.85s | | | 22.Melville Rogers |  SKN | 48.02s | | | -. David Hamil |  CAY | DNS | |
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| Heat 2 | Team | time | L | | 7. Jamaal Torrance | USA | 45.65s | | | 8. Chris Lloyd | DCA | 45.83s | | | 15.Omar Cisneros | CUB | 46.51s | | | 18.Edino Steele | JAM | 47.12s | | | 19.Anghelo Edmund |  PAN | 47.41s | | | 21.Rodrigo Bargas | BRA | 47.88s | | | 23.Camilo Quevedo |  GUA | 49.19s | |
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| Heat 3 | Team | time | L | | 10.Tyler Christopher | CAN | 45.99s | | | 11.Alleyne Francique | GRE | 46.05s | | | 12.Ato Modibo | TRI | 46.25s | | | 13.Carlos Santa | DOM | 46.34s | | | 20.Andres Silva |  URU | 47.73s | | | 25.Charmant Ollivierre |  SVG | 50.13s | |
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| Heat 4 | Team | time | L | | 2. Avard Moncur | BAH | 45.27s | | | 5. Renny Quow | TRI | 45.35s | PB | | 9. Leford Green | JAM | 45.89s | | | 13.Adolfo Martinez Felix | PUR | 46.34s | | | 16.Nathan Vadeboncoeur | CAN | 46.76s | | | 24.David Pierre |  HAI | 49.26s | |
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