| Order / Lane | ATHLETE | COUNTRY | PB | SB 2005 |
|---|---|---|---|---|
| Chris Boyles |
USA
|
50.19 | 50.40 | |
| Steven Marrero |
PUR
|
49.22 | 49.22 | |
| Octavius Gillespie |
GUA
|
52.13 | 52.54 | |
| Juan Pedro Santarosa |
MEX
|
50.95 | 50.99 | |
| Freddy DÃaz |
VEN
|
49.80 | 49.80 | |
| Andrés Horacio Mantilla |
COL
|
49.69 | 49.69 |
| Order / Lane | ATHLETE | COUNTRY | PB | SB 2005 |
|---|---|---|---|---|
| Jay Atchenson |
CAN
|
50.59 | 50.59 | |
| Maurice Smith |
JAM
|
47.48 | 48.54 | |
| Marcos Sánchez-Valle |
PUR
|
49.09 | 49.27 | |
| Paul Terek |
USA
|
48.70 | 48.70 | |
| Jamie Adjetey-Nelson |
CAN
|
48.92 | 49.61 | |
| Ryan Harlan |
USA
|
48.72 | 49.23 |