| POS | Rank | Heat | BIB | ATHLETE | COUNTRY | RESULTS | ms* |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 5 | 1826 | Yan Manuel VAZQUEZ |
PUR |
50.66 Q PB | |
| 2 | 2 | 5 | 1874 | Matic Ian GUČEK |
SLO |
50.68 Q | |
| 3 | 1 | 2 | 1639 | Roshawn CLARKE |
JAM |
50.71 Q | |
| 4 | 1 | 3 | 1259 | Mimoun ABDOUL WAHAB |
BEL |
50.92 Q PB | |
| 5 | 2 | 3 | 1674 | Sojiro MORITAKA |
JPN |
51.04 Q | |
| 6 | 2 | 2 | 2005 | Grant WILLIAMS |
USA |
51.12 Q | |
| 7 | 3 | 2 | 1493 | Onyekachukwu OKOH |
GBR |
51.13 Q PB | |
| 8 | 1 | 7 | 1953 | İsmail NEZIR |
TUR |
51.25 Q | .241 |
| 9 | 3 | 5 | 1749 | Jermaine KLEINE |
NED |
51.25 Q PB | .247 |
| 10 | 1 | 1 | 1827 | Ismail Doudai ABAKAR |
QAT |
51.29 Q | |
| 11 | 1 | 4 | 1290 | Matheus LIMA |
BRA |
51.34 Q | |
| 12 | 2 | 4 | 1935 | Jian-Rong CHEN |
TPE |
51.37 Q SB | |
| 13 | 2 | 7 | 1886 | Dhanuka Darshana KATAPANA MUDIYANSELAGE |
SRI |
51.41 Q NU20R | |
| 14 | 3 | 4 | 1505 | Owe FISCHER-BREIHOLZ |
GER |
51.45 Q PB | |
| 15 | 2 | 1 | 1699 | Peter Kithome MUTHOKA |
KEN |
51.52 Q SB | .511 |
| 16 | 4 | 4 | 1676 | Daiki OGAWA |
JPN |
51.52 q | .514 |
| 17 | 3 | 7 | 1461 | Sonny GANDREY |
FRA |
51.53 Q | |
| 18 | 3 | 1 | 1213 | Bruno Agustin DE GENARO |
ARG |
51.59 Q PB | |
| 19 | 4 | 7 | 1620 | Riccardo GANZ |
ITA |
51.96 q | |
| 20 | 5 | 7 | 1702 | Azzam Ibrahim ABU BAKR |
KSA |
52.16 q PB | |
| 21 | 4 | 2 | 1818 | Diogo BARRIGANA |
POR |
52.17 PB | |
| 22 | 4 | 5 | 1322 | Ben TILSON |
CAN |
52.20 | |
| 23 | 5 | 2 | 2010 | Egber ESPINOZA |
VEN |
52.22 | |
| 24 | 1 | 6 | 1643 | Antonio FORBES |
JAM |
52.45 Q | |
| 25 | 2 | 6 | 1568 | Csaba MOLNÁR |
HUN |
52.49 Q | |
| 26 | 3 | 6 | 1828 | Mahamat Abakar ABDRAHMAN |
QAT |
52.50 Q PB | .497 |
| 27 | 3 | 3 | 1969 | Kody BLACKWOOD |
USA |
52.50 Q | .500 |
| 28 | 4 | 1 | 1476 | Lucas VIVIN |
FRA |
52.55 | |
| 29 | 4 | 6 | 1937 | Chung-Wei LIN |
TPE |
52.64 | |
| 30 | 4 | 3 | 1860 | Wernich VAN RENSBURG |
RSA |
52.80 | |
| 31 | 6 | 7 | 1360 | Vojtěch CIHLÁŘ |
CZE |
52.83 | |
| 32 | 7 | 7 | 1250 | Shimar BAIN |
BAH |
52.88 | |
| 33 | 5 | 3 | 1581 | Hardeep KUMAR |
IND |
52.91 | |
| 34 | 6 | 2 | 1570 | Levente SOOS |
HUN |
53.02 | |
| 35 | 7 | 2 | 1338 | Sebastian MOSQUERA |
COL |
53.07 | |
| 36 | 5 | 6 | 1628 | Luca OSTANELLO |
ITA |
53.10 | |
| 37 | 5 | 5 | 1284 | Lucca CAMPBELL |
BRA |
53.21 | |
| 38 | 5 | 1 | 1513 | Maximilian KÖHLER |
GER |
53.23 | |
| 39 | 5 | 4 | 1880 | Nikola KOSTIĆ |
SRB |
53.26 | |
| 40 | 6 | 6 | 1695 | Alocias KIPNGETICH |
KEN |
53.28 | |
| 41 | 6 | 5 | 1851 | Ruan OOSTHUIZEN |
RSA |
53.58 | |
| 42 | 7 | 5 | 1713 | Aleks PELCMANIS |
LAT |
53.76 | |
| 43 | 6 | 3 | 1602 | Ahmed Jamal ALDIRAWI |
IRQ |
54.05 | |
| 44 | 7 | 6 | 1579 | aryan KASHYAPA |
IND |
54.13 | |
| 45 | 6 | 4 | 1203 | Mohamed BENMANSOUR |
ALG |
54.26 | |
| 46 | 6 | 1 | 1237 | Dominic PANOZZO |
AUS |
54.65 | |
| 47 | 7 | 3 | 1405 | Samuel José IBÁÑEZ GUEVARA |
ESA |
55.11 | |
| 48 | 8 | 3 | 1933 | Muhammadrizoi MIRZOZODA |
TJK |
56.18 | |
| 1 | 1943 | Dillon LEACOCK |
TTO |
DQ | |||
| 4 | 1220 | Kyle BENNETT |
AUS |
DNS |
ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second