| POS | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|
| 1 | Kirani James |
GRN
|
45.15 | |
| 2 | Lalonde Gordon |
TTO
|
46.02 | |
| 3 | Demetrius Pinder |
BAH
|
46.16 | |
| 4 | Anas Beshr |
EGY
|
46.17 | |
| 5 | Kyle Clemons |
USA
|
46.35 | |
| 6 | Isaac Makwala |
BOT
|
46.40 | |
| 7 | LuguelÃn Santos |
DOM
|
46.49 | |
| 8 | Martyn Rooney |
GBR
|
46.63 |