| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 358 | Christopher TAYLOR |
JAM
|
45.30 Q WYL | 0.155 |
| 2 | 628 | Josephus LYLES |
USA
|
45.93 Q | 0.181 |
| 3 | 54 | Karabo SIBANDA |
BOT
|
46.53 q | 0.157 |
| 4 | 374 | Manato Sasaki |
JPN
|
46.85 q PB | 0.140 |
| 5 | 114 | Haoran Xu |
CHN
|
47.44 PB | 0.151 |
| 6 | 490 | Tymoteusz ZIMNY |
POL
|
47.53 PB | 0.151 |
| 7 | 515 | André Nikolas Marich |
RSA
|
48.34 | 0.128 |
| 8 | 543 | Anej Zupanc |
SLO
|
49.93 | 0.282 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 633 | Keshun Reed |
USA
|
46.77 Q | 0.145 |
| 2 | 23 | Louis Stenmark |
AUS
|
46.78 Q PB | 0.183 |
| 3 | 310 | Chandan Bauri |
IND
|
47.41 | 0.158 |
| 4 | 365 | Ryota Kitahara |
JPN
|
47.85 | 0.201 |
| 5 | 277 | Marvin SCHLEGEL |
GER
|
47.92 | 0.203 |
| 6 | 330 | Vladimir ACETI |
ITA
|
48.59 | 0.176 |
| 7 | 442 | Edgar RAMÍREZ |
MEX
|
49.01 | 0.173 |
| 8 | 389 | Josphat Kipngetich Ngeno |
KEN
|
49.86 | 0.193 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 140 | Anthony José ZAMBRANO |
COL
|
46.76 Q | 0.193 |
| 2 | 91 | Jamal Walton |
CAY
|
46.97 Q | 0.153 |
| 3 | 243 | Loïc PREVOT |
FRA
|
47.03 | 0.169 |
| 4 | 112 | Yu Ang WU |
CHN
|
48.11 | 0.186 |
| 5 | 441 | Roger Ordaz |
MEX
|
48.59 | 0.164 |
| 6 | 265 | Florian Colon Marti |
GER
|
48.84 | 0.187 |
| 7 | 388 | Edwin Ngeeti |
KEN
|
49.26 | 0.235 |
| 558 | Miquel Shepper |
SUR
|
DQ R163.3(a) | 0.231 |