| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1436 | Machel CEDENIO |
TTO
|
45.13 WJL | 0.204 |
| 2 | 921 | Nobuya Kato |
JPN
|
46.17 SB | 0.178 |
| 3 | 301 | Abbas Abubakar ABBAS |
BRN
|
46.20 | 0.254 |
| 4 | 981 | Alexander Lerionka Sampao |
KEN
|
46.55 | 0.223 |
| 5 | 644 | Jack Crosby |
GBR
|
46.63 | 0.180 |
| 6 | 1526 | Lamar Bruton-Grinnage |
USA
|
46.75 | 0.181 |
| 7 | 922 | Kaisei Yui |
JPN
|
47.08 | 0.150 |
| 8 | 1525 | Tyler Brown |
USA
|
47.30 | 0.185 |