| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 173 | Karabo SIBANDA |
BOT
|
45.15 Q PB | 0.156 |
| 2 | 904 | Kahmari MONTGOMERY |
USA
|
45.71 Q | 0.166 |
| 3 | 236 | Anthony José ZAMBRANO |
COL
|
45.81 q PB | 0.183 |
| 4 | 570 | Naoki Kitadani |
JPN
|
46.41 q PB | 0.162 |
| 5 | 208 | Jamal Walton |
CAY
|
46.61 | 0.155 |
| 6 | 531 | Sean BAILEY |
JAM
|
47.09 | 0.164 |
| 7 | 492 | Taha Hussein YASEEN |
IRQ
|
47.26 | 0.180 |
| 8 | 499 | Vladimir ACETI |
ITA
|
47.41 | 0.240 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 748 | Abdalelah Haroun |
QAT
|
45.55 Q | 0.180 |
| 2 | 571 | Kazuki Matsukiyo |
JPN
|
46.69 Q PB | 0.139 |
| 3 | 654 | Iván Núñez |
MEX
|
47.00 | 0.143 |
| 4 | 658 | Jochem DOBBER |
NED
|
47.22 | 0.159 |
| 5 | 265 | Luis Charles |
DOM
|
47.33 | 0.206 |
| 6 | 588 | Edwin Ngeeti |
KEN
|
47.51 | 0.193 |
| 171 | Baboloki THEBE |
BOT
|
DQ R163.3(a) | 0.169 | |
| 191 | Musa ISAH |
BRN
|
DNS |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 589 | Geoffrey Kiprotich |
KEN
|
45.38 Q PB | 0.192 |
| 2 | 899 | Wilbert LONDON |
USA
|
45.49 Q | 0.144 |
| 3 | 365 | Cameron CHALMERS |
GBR
|
46.51 PB | 0.218 |
| 4 | 541 | Christopher TAYLOR |
JAM
|
46.60 | 0.225 |
| 5 | 223 | Yu Ang WU |
CHN
|
46.83 | 0.179 |
| 6 | 715 | Tymoteusz ZIMNY |
POL
|
47.14 PB | 0.165 |
| 7 | 193 | Myles Banfield |
CAN
|
47.46 | 0.160 |
| 8 | 237 | David Å alamon |
CRO
|
47.51 PB | 0.157 |