| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1293 | Rai BENJAMIN |
USA
|
46.46 =SB | 0.171 |
| 2 | 1102 | Karsten WARHOLM |
NOR
|
47.06 | 0.152 |
| 3 | 423 | Alison DOS SANTOS |
BRA
|
47.26 | 0.167 |
| 4 | 646 | Clement DUCOS |
FRA
|
47.76 | 0.162 |
| 5 | 884 | Kyron MCMASTER |
IVB
|
47.79 SB | 0.143 |
| 6 | 1169 | Abderrahman SAMBA |
QAT
|
47.98 | 0.169 |
| 7 | 609 | Rasmus MÄGI |
EST
|
52.53 | 0.175 |
| 893 | Roshawn CLARKE |
JAM
|
DNF | 0.195 |