| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Hadi Soua'an Al-Somaily |
KSA
|
48.14 Q AR | |
| 2 | Fabrizio Mori |
ITA
|
48.40 Q SB | |
| 3 | Hennadiy Horbenko |
UKR
|
48.40 q PB | |
| 4 | Pawel Januszewski |
POL
|
48.42 q SB | |
| 5 | Eric Thomas |
USA
|
49.25 | |
| 6 | Thomas Goller |
GER
|
49.28 | |
| 7 | Pedro Rodrigues |
POR
|
49.48 SB | |
| 8 | Tien-Wen Chen |
TAI
|
50.52 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Llewellyn Herbert |
RSA
|
48.38 Q | |
| 2 | Angelo Taylor |
USA
|
48.49 Q | |
| 3 | Ruslan Mashchenko |
RUS
|
48.94 | |
| 4 | Blair Young |
AUS
|
49.20 | |
| 5 | Jirà MužÃk |
CZE
|
49.23 | |
| 6 | Christopher Rawlinson |
GBR
|
49.25 | |
| 7 | Felix Sánchez |
DOM
|
49.69 | |
| 8 | Giorgio Frinolli |
ITA
|
50.10 |
| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | James Carter |
USA
|
48.48 Q | |
| 2 | Eronilde Nunes de Araújo |
BRA
|
48.76 Q | |
| 3 | Samuel Matete |
ZAM
|
48.98 | |
| 4 | Alwyn Myburgh |
RSA
|
49.25 | |
| 5 | Boris Gorban |
RUS
|
49.29 | |
| 6 | Matthew Douglas |
GBR
|
49.53 | |
| 7 | Dinsdale Morgan |
JAM
|
50.23 | |
| 8 | Erick Keter |
KEN
|
51.25 |