| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 474 | William Mandla Nkosi |
RSA
|
47.80 Q | |
| 2 | 304 | Nicholas Wachira |
KEN
|
47.93 Q | |
| 3 | 592 | Travon Walton |
USA
|
48.03 q | |
| 4 | 41 | Maksim Sidarenka |
BLR
|
48.81 | |
| 5 | 557 | Yevheniy Nikiforov |
UKR
|
48.88 | |
| 6 | 151 | Yared Nida |
ETH
|
48.93 | |
| 7 | 406 | Michal Matyjaszczyk |
POL
|
49.25 | |
| 8 | 320 | Abdullah Hawsawi |
KSA
|
49.85 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 577 | Ivory McCann |
USA
|
47.60 Q | |
| 2 | 108 | Glaudel Garzón |
CUB
|
47.63 Q | |
| 3 | 172 | Geoffrey Djan |
GBR
|
48.18 | |
| 4 | 362 | Muhamad Zaiful Zainal Abidin |
MAS
|
48.51 | |
| 5 | 118 | Jan Vrba |
CZE
|
48.57 | |
| 6 | 542 | Laroussi Titi |
TUN
|
49.14 | |
| 7 | 268 | Giampietro Pavan |
ITA
|
49.47 | |
| 8 | 30 | Wilan Louis |
BAR
|
49.92 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 481 | Mark Van Soest |
RSA
|
47.66 Q | |
| 2 | 313 | Hamed Hamdan AlBishi |
KSA
|
47.74 Q | |
| 3 | 299 | Japheth Ogamba |
KEN
|
48.13 q | |
| 4 | 436 | Ahmed Al-Imam |
QAT
|
48.50 | |
| 5 | 424 | Karol Terejlis |
POL
|
48.98 | |
| 6 | 66 | Luiz Henrique da Silveira |
BRA
|
49.13 | |
| 60 | Roberto de Jesus |
BRA
|
DNS | ||
| 217 | Sándor Gombos |
HUN
|
DNS |