| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Felix Sánchez |
DOM
|
47.93 Q | 0.224 |
| 2 | Marek Plawgo |
POL
|
48.16 Q NR | 0.246 |
| 3 | Alwyn Myburgh |
RSA
|
48.21 q SB | 0.242 |
| 4 | Angelo Taylor |
USA
|
48.72 | 0.217 |
| 5 | Hadi Soua'an Al-Somaily |
KSA
|
48.98 SB | 0.261 |
| 6 | Mikhail Lipskiy |
RUS
|
49.10 | 0.229 |
| 7 | Edivaldo Monteiro |
POR
|
49.26 | 0.162 |
| 8 | Dean Griffiths |
JAM
|
49.51 | 0.260 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Danny McFarlane |
JAM
|
48.00 Q PB | 0.243 |
| 2 | Bennie Brazell |
USA
|
48.19 Q | 0.309 |
| 3 | Dai Tamesue |
JPN
|
48.46 SB | 0.273 |
| 4 | PeriklÃs Iakovákis |
GRE
|
48.47 SB | 0.242 |
| 5 | Llewellyn Herbert |
RSA
|
48.57 | 0.230 |
| 6 | Eduardo Iván RodrÃguez |
ESP
|
49.77 | 0.223 |
| 7 | Stepan Tesarik |
CZE
|
49.87 | 0.205 |
| 8 | Christopher Rawlinson |
GBR
|
50.89 | 0.176 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | James Carter |
USA
|
48.18 Q | 0.214 |
| 2 | Bayano Kamani |
PAN
|
48.23 Q NR | 0.225 |
| 3 | Naman Keïta |
FRA
|
48.24 q | 0.356 |
| 4 | Kemel Thompson |
JAM
|
48.25 SB | 0.257 |
| 5 | Jirà MužÃk |
CZE
|
48.88 | 0.313 |
| 6 | Ockert Cilliers |
RSA
|
49.01 | 0.175 |
| 7 | Boris Gorban |
RUS
|
49.46 | 0.243 |
| 8 | Yevgeniy Meleshenko |
KAZ
|
49.48 | 0.196 |