| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 2340 | Vance NILSSON |
USA
|
49.26 WU20L | 0.151 |
| 2 | 1681 | Michal RADA |
CZE
|
49.30 NU20R | 0.162 |
| 3 | 1757 | Antti SAINIO |
FIN
|
49.61 | 0.157 |
| 4 | 2190 | Njabulo MBATHA |
RSA
|
49.68 | 0.145 |
| 5 | 1790 | Sam LUNT |
GBR
|
50.29 | 0.153 |
| 6 | 1709 | Joaquin ALONSO |
ESP
|
51.00 | 0.195 |
| 7 | 1966 | Daniel WRIGHT |
JAM
|
51.61 | 0.209 |
| 1626 | Ramón FUENZALIDA |
CHI
|
DQ | 0.170 |