| Order / Lane | Bib | ATHLETE | COUNTRY | PB | SB 2018 |
|---|---|---|---|---|---|
| 1 | 186 | Myles MISENER-DALEY |
CAN
|
45.99 | 45.99 |
| 2 | 642 | Howard Fields |
USA
|
45.50 | 45.50 |
| 3 | 402 | Edoardo SCOTTI |
ITA
|
45.84 | 45.84 |
| 4 | 419 | Chantz Sawyers |
JAM
|
45.40 | 45.40 |
| 5 | 147 | Jonathan SACOOR |
BEL
|
45.72 | 45.72 |
| 6 | 417 | Christopher TAYLOR |
JAM
|
44.88 | 44.88 |
| 7 | 181 | Khamal Stewart-Baynes |
CAN
|
45.98 | 45.98 |
| 8 | 145 | Jonathan JONES |
BAR
|
46.05 | 46.05 |