| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 669 | Adam El-Nour |
SUD
|
46.84 Q | 0.238 |
| 2 | 745 | Zach Chandy |
USA
|
47.40 Q | 0.153 |
| 3 | 629 | Ruslan Bayazitov |
RUS
|
48.68 | 0.198 |
| 4 | 375 | Daisuke Yabashi |
JPN
|
48.89 | 0.181 |
| 5 | 360 | Teo Bennett |
JAM
|
48.96 | 0.216 |
| 6 | 579 | Gustavo de Jesús |
PUR
|
49.38 | 0.191 |
| 7 | 133 | Jonathan Reid |
CAN
|
50.91 | 0.192 |
| 474 | Hicham Frindi |
MAR
|
DQ | 0.245 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 94 | Jonathan BORLÉE |
BEL
|
47.50 Q PB | 0.150 |
| 2 | 756 | Bryshon Nellum |
USA
|
47.69 Q | 0.172 |
| 3 | 70 | Tristan Garrett |
AUS
|
48.40 q | 0.126 |
| 4 | 417 | Yonas Al-Hosah |
KSA
|
48.68 | 0.161 |
| 5 | 544 | Andrew Underwood |
NZL
|
49.02 | 0.222 |
| 6 | 693 | Chi-Sheng Chang |
TPE
|
49.33 | 0.180 |
| 7 | 710 | Ade Alleyne-Forte |
TTO
|
49.92 | 0.210 |
| 8 | 84 | Anthony Butler |
BAH
|
51.01 | 0.199 |
| POS | BIB | ATHLETE | COUNTRY | MARK | Reaction Time |
|---|---|---|---|---|---|
| 1 | 402 | Julius Kirwa |
KEN
|
47.09 Q PB | 0.225 |
| 2 | 715 | Kervin Morgan |
TTO
|
47.91 Q | 0.149 |
| 3 | 735 | Samuel Egadu |
UGA
|
48.02 q PB | 0.176 |
| 4 | 130 | Kevin Lim |
CAN
|
48.40 | 0.148 |
| 5 | 603 | Willem de Beer |
RSA
|
48.63 | 0.169 |
| 6 | 314 | Gábor Armuth |
HUN
|
48.68 | 0.168 |
| 7 | 565 | Marcin Klaczanski |
POL
|
49.07 | 0.186 |
| 584 | Christian Santiago |
PUR
|
DNF | 0.231 |