| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 515 | Marvin Williams |
JAM
|
50.39 WYL | 0.152 |
| 2 | 227 | Yang Wang |
CHN
|
50.78 | 0.180 |
| 3 | 911 | Kenneth SELMON |
USA
|
51.30 | 0.208 |
| 4 | 517 | Takumu Furuya |
JPN
|
51.58 | 0.149 |
| 5 | 684 | Derick Diaz |
PUR
|
51.76 PB | 0.140 |
| 554 | Geofrey Kipkoech Cheruiyot |
KEN
|
DNF | 0.208 | |
| 516 | Okeen Williams |
JAM
|
DNF | 0.150 | |
| 899 | Marlon Humphrey |
USA
|
DNS |