| Order / Lane | ATHLETE | COUNTRY | PB | SB 2007 |
|---|---|---|---|---|
| Maurice Smith |
JAM
|
47.48 | 47.48 | |
| Carlos Chinin |
BRA
|
48.18 | 48.18 | |
| Ryan Harlan |
USA
|
48.72 | 49.85 | |
| Iván Scolfaro da Silva |
BRA
|
48.87 | 49.58 | |
| Leonel Suárez |
CUB
|
47.65 | 49.09 | |
| Adolphus Jones |
SKN
|
49.46 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2007 |
|---|---|---|---|---|
| Yordani GarcÃa |
CUB
|
48.34 | 49.25 | |
| Octavius Gillespie |
GUA
|
52.13 | 53.76 | |
| Gonzalo Barroilhet |
CHI
|
49.82 | 51.93 | |
| Darwin Colón |
HON
|
50.54 | 51.69 | |
| Gerardo Canale |
ARG
|
51.60 | 51.60 | |
| Chris Boyles |
USA
|
50.19 | 50.94 |