| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 781 | Jonathan Walker |
USA
|
51.35 Q PB | |
| 2 | 691 | Minas ALOZIDIS |
SYR
|
51.73 Q | |
| 3 | 411 | Julius Bungei |
KEN
|
51.81 Q SB | |
| 4 | 85 | Levy Ouedraogo |
BUR
|
52.58 q PB | |
| 5 | 3 | Kamel Bensaad |
ALG
|
52.94 q | |
| 6 | 583 | Hatem Mohamed |
QAT
|
53.21 | |
| 7 | 487 | Badr El Amine |
MAR
|
53.87 | |
| 435 | Ali Hussain Al-Zaki |
KSA
|
DQ |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 610 | Siphine Mtshali |
RSA
|
51.87 Q | |
| 2 | 390 | Kenji Narisako |
JPN
|
52.11 Q PB | |
| 3 | 253 | David Busch |
GER
|
52.67 Q PB | |
| 4 | 564 | Tomasz Wrzesinski |
POL
|
53.06 | |
| 5 | 815 | Idris Abdelaziz Al-Housaoui |
KSA
|
54.01 | |
| 6 | 378 | Isa Phillips |
JAM
|
54.03 | |
| 7 | 109 | Tomás Tagle |
CHI
|
54.12 PB | |
| 8 | 639 | El Hadji Sethe Mbow |
SEN
|
54.45 |