| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time | 
|---|---|---|---|---|---|
| 1 | 824 | Jehue Gordon |  TTO | 49.30 | 0.205 | 
| 2 | 541 | Takatoshi ABE |  JPN | 49.46 PB | 0.193 | 
| 3 | 498 | Leslie Murray |  ISV | 50.22 SB | 0.138 | 
| 4 | 436 | Varg Königsmark |  GER | 50.47 PB | 0.214 | 
| 5 | 394 | Jack Green |  GBR | 50.49 PB | 0.178 | 
| 6 | 164 | Stef Vanhaeren |  BEL | 50.99 | 0.167 | 
| 7 | 782 | Emir Bekric |  SRB | 51.06 | 0.187 | 
| 8 | 576 | Bonface Mucheru |  KEN | 52.16 | 0.168 |