| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 147 | Jonathan SACOOR |
BEL
|
45.03 NU20R | 0.154 |
| 2 | 417 | Christopher TAYLOR |
JAM
|
45.38 | 0.197 |
| 3 | 419 | Chantz Sawyers |
JAM
|
45.89 | 0.157 |
| 4 | 402 | Edoardo SCOTTI |
ITA
|
46.20 | 0.180 |
| 5 | 642 | Howard Fields |
USA
|
46.53 | 0.163 |
| 6 | 181 | Khamal Stewart-Baynes |
CAN
|
46.79 | 0.158 |
| 7 | 186 | Myles MISENER-DALEY |
CAN
|
47.03 | 0.153 |
| 8 | 145 | Jonathan JONES |
BAR
|
48.01 | 0.185 |