| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 19 | Demetrius Pinder |
BAH
|
45.94 Q | 0.190 |
| 2 | 170 | Tabarie Henry |
ISV
|
46.01 Q SB | 0.205 |
| 3 | 95 | Mark UJAKPOR |
ESP
|
46.98 | 0.224 |
| 4 | 330 | Gil Roberts |
USA
|
47.01 | 0.240 |
| 5 | 178 | Lorenzo Valentini |
ITA
|
48.47 | 0.287 |
| 6 | 247 | Maksim Aleksandrenko |
RUS
|
49.76 | 0.235 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 16 | Chris Brown |
BAH
|
46.37 Q | 0.200 |
| 2 | 72 | Pavel MASLÁK |
CZE
|
46.49 Q | 0.222 |
| 3 | 116 | Richard Buck |
GBR
|
46.68 | 0.263 |
| 4 | 334 | Calvin Smith |
USA
|
47.09 | 0.251 |
| 5 | 294 | Ali Ekber Kayas |
TUR
|
48.16 | 0.222 |
| 276 | Rabah YOUSIF |
SUD
|
DQ | 0.211 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 60 | Nery Brenes |
CRC
|
46.01 Q NR | 0.225 |
| 2 | 154 | Kirani JAMES |
GRN
|
46.04 Q | 0.166 |
| 3 | 123 | Nigel Levine |
GBR
|
46.46 | 0.208 |
| 4 | 80 | Luguelín SANTOS |
DOM
|
46.83 PB | 0.233 |
| 5 | 249 | Valentin Kruglyakov |
RUS
|
47.34 | 0.252 |
| 6 | 79 | Erison Hurtault |
DMA
|
48.68 | 0.230 |