| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 156 | Pavel MASLÁK |
CZE
|
45.79 Q | 0.156 |
| 2 | 390 | Kyle Clemons |
USA
|
46.06 Q | 0.200 |
| 3 | 370 | Lalonde Gordon |
TTO
|
46.29 Q | 0.187 |
| 4 | 199 | Nigel Levine |
GBR
|
46.84 | 0.165 |
| 5 | 178 | Marek Niit |
EST
|
47.67 | 0.199 |
| 248 | Edino Steele |
JAM
|
DQ R163.3(b) | 0.189 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 112 | Chris Brown |
BAH
|
46.19 Q | 0.220 |
| 2 | 149 | Nery Brenes |
CRC
|
46.25 Q SB | 0.187 |
| 3 | 413 | David Verburg |
USA
|
46.33 Q | 0.191 |
| 4 | 165 | Luguelín SANTOS |
DOM
|
46.37 | 0.176 |
| 5 | 314 | Rafał Omelko |
POL
|
46.94 | 0.217 |
| 6 | 247 | Akheem Gauntlett |
JAM
|
47.13 | 0.178 |