| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1525 | Tyler Brown |
USA
|
45.97 Q | 0.178 |
| 2 | 981 | Alexander Lerionka Sampao |
KEN
|
46.21 Q | 0.223 |
| 3 | 922 | Kaisei Yui |
JPN
|
46.68 q PB | 0.170 |
| 4 | 652 | Elliot Rutter |
GBR
|
46.93 | 0.160 |
| 5 | 1502 | Oleksiy Pozdnyakov |
UKR
|
47.43 | 0.213 |
| 6 | 1462 | Batuhan ALTINTAÅž |
TUR
|
47.46 | 0.175 |
| 7 | 129 | Joshua Robinson |
AUS
|
47.72 | 0.172 |
| 8 | 273 | Karabo SIBANDA |
BOT
|
48.30 | 0.206 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 921 | Nobuya Kato |
JPN
|
46.26 Q | 0.172 |
| 2 | 301 | Abbas Abubakar ABBAS |
BRN
|
46.28 Q | 0.242 |
| 3 | 644 | Jack Crosby |
GBR
|
46.35 q PB | 0.150 |
| 4 | 1327 | Luka JANEŽIČ |
SLO
|
47.06 PB | 0.205 |
| 5 | 1323 | Warren Hazel |
SKN
|
47.22 | 0.161 |
| 6 | 206 | Janeko Cartwright |
BAH
|
47.88 | 0.184 |
| 7 | 884 | Martin Manley |
JAM
|
48.38 | 0.173 |
| 359 | Jamal Walton |
CAY
|
DNF | 0.200 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 1436 | Machel CEDENIO |
TTO
|
45.90 Q | 0.214 |
| 2 | 1526 | Lamar Bruton-Grinnage |
USA
|
46.67 Q | 0.196 |
| 3 | 1260 | Berend KOEKEMOER |
RSA
|
46.87 | 0.181 |
| 4 | 132 | Sam Reiser |
AUS
|
47.02 | 0.186 |
| 5 | 879 | Nathon ALLEN |
JAM
|
47.56 | 0.218 |
| 6 | 482 | Juander SANTOS |
DOM
|
47.64 | 0.164 |
| 7 | 209 | Henri Delauze |
BAH
|
47.78 | 0.263 |
| 8 | 319 | Joshua Cunningham |
CAN
|
47.91 | 0.158 |