| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| Julio Gloria |
DOM
|
55.71 | 58.56 | |
| Alexis Chivás |
CUB
|
51.69 | 54.77 | |
| Julian Zarate |
MEX
|
|||
| Craig Slaunwhite |
CAN
|
53.45 | 53.56 | |
| William Valor |
VEN
|
48.73 | ||
| Octavius Gillespie |
GUA
|
52.13 | 55.17 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| Chris Boyles |
USA
|
50.19 | 51.02 | |
| Kurt Felix |
GRN
|
48.63 | 51.48 | |
| Luiz Alberto de Araújo |
BRA
|
48.25 | 48.96 | |
| Odirlei Carlos Pessoni |
BRA
|
49.85 | 49.85 | |
| Darwin Colón |
HON
|
50.54 | 50.54 | |
| Chris Helwick |
USA
|
49.22 | 49.94 | |
| Leandro López |
DOM
|
50.56 | 52.24 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2008 |
|---|---|---|---|---|
| Steven Marrero |
PUR
|
49.22 | 49.27 | |
| DarÃo Villafañe |
ARG
|
49.92 | 49.92 | |
| Andrés Horacio Mantilla |
COL
|
49.69 | 52.10 | |
| Marcos Sánchez-Valle |
PUR
|
49.09 | 49.82 | |
| Clifford Caines |
CAN
|
50.06 | 51.56 | |
| Iván Scolfaro da Silva |
BRA
|
48.87 | 50.43 | |
| Chris Randolph |
USA
|
48.61 | 48.61 | |
| Jamie Adjetey-Nelson |
CAN
|
48.92 | 49.96 |