First 1 in each heat (Q) and the next 2 fastest (q)

First in each Repechage heat (Q) and next 2 fastest (q) advance to Semi-Final

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms*
1 1 4 1170 Ammar Ismail YAHIA IBRAHIM QATQAT 44.77 Q
2 1 3 1184 Zakithi NENE RSARSA 44.81 Q
3 2 4 1203 Cheikh Tidiane DIOUF SENSEN 45.03 q =PB
4 2 3 414 Leungo SCOTCH BOTBOT 45.33 q
5 1 1 314 Elián LARREGINA ARGARG 45.36 Q
6 3 4 740 Jean Paul BREDAU GERGER 45.40 .391
6 1 2 1187 Lythe PILLAY RSARSA 45.40 Q .391
8 3 3 803 Attila MOLNÁR HUNHUN 45.45
9 4 4 374 Dylan BORLÉE BELBEL 45.51 .504
10 4 3 1227 Lionel SPITZ SUISUI 45.51 .510
11 2 2 542 Matěj KRSEK CZECZE 45.53 PB
12 3 2 1284 Oleksandr POHORILKO UKRUKR 45.59
13 5 4 1155 João COELHO PORPOR 45.64 .632
13 4 2 1010 Michael JOSEPH LCALCA 45.64 .632
15 2 1 638 Gilles BIRON FRAFRA 45.87
16 5 2 1085 Chidi OKEZIE NGRNGR 45.92
17 3 1 420 Lucas CARVALHO BRABRA 46.25
4 886 Sean BAILEY JAMJAM DNF
2 939 Yuki Joseph NAKAJIMA JPNJPN DNS
2 561 Alexander OGANDO DOMDOM DNS
1 864 Davide RE ITAITA DNS
1 388 Jonathan SACOOR BELBEL DNS
1 945 Fuga SATO JPNJPN DNS
3 946 Kentaro SATO JPNJPN DNS
1 917 Deandre WATKIN JAMJAM DNS
3 521 Anthony José ZAMBRANO COLCOL DNS
Legend

ms - Milliseconds - shown when two or more competitors finish with the same time down to hundredths of a second