First 3 in each heat (Q)

First 3 in each heat (Q) advance to Semi-Final, all others (Re) advance to Repechage Round (except DNS, DNF, DQ)

POS Rank Heat BIB ATHLETE COUNTRY RESULTS ms*
1 1 2 1337 Michael NORMAN USAUSA 44.10 Q SB
2 1 4 1309 Quincy HALL USAUSA 44.28 Q
3 2 2 1257 Jereem RICHARDS TTOTTO 44.31 Q
4 3 2 407 Busang Collen KEBINATSHIPI BOTBOT 44.45 Q PB
5 2 4 1082 Samuel OGAZI NGRNGR 44.50 Q PB
6 3 4 333 Reece HOLDER AUSAUS 44.53 Q PB
7 1 3 1378 Muzala SAMUKONGA ZAMZAM 44.56 Q
8 4 2 1170 Ammar Ismail YAHIA IBRAHIM QATQAT 44.66 Re PB
9 5 2 886 Sean BAILEY JAMJAM 44.68 Re
10 1 5 792 Kirani JAMES GRNGRN 44.78 Q .772
11 1 1 705 Matthew HUDSON-SMITH GBRGBR 44.78 Q .774
12 2 3 410 Bayapo NDORI BOTBOT 44.87 Q
13 2 1 1289 Christopher BAILEY USAUSA 44.89 Q
14 1 6 697 Charles DOBSON GBRGBR 44.96 Q .957
15 2 5 463 Christopher MORALES-WILLIAMS CANCAN 44.96 Q .960
16 3 3 870 Luca SITO ITAITA 44.99 Q .981
17 3 5 1213 Aruna Dharshana SINGHAPURAGE SRISRI 44.99 Q PB .989
18 4 5 1184 Zakithi NENE RSARSA 45.01 Re .002
19 2 6 380 Alexander DOOM BELBEL 45.01 Q .010
20 4 3 740 Jean Paul BREDAU GERGER 45.07 Re
21 4 4 388 Jonathan SACOOR BELBEL 45.08 Re
22 5 4 561 Alexander OGANDO DOMDOM 45.11 Re SB
23 3 6 910 Jevaughn POWELL JAMJAM 45.12 Q
24 6 2 803 Attila MOLNÁR HUNHUN 45.24 Re
25 5 5 414 Leungo SCOTCH BOTBOT 45.28 Re
26 4 6 1155 João COELHO PORPOR 45.35 Re SB
27 5 3 374 Dylan BORLÉE BELBEL 45.36 Re
28 6 3 939 Yuki Joseph NAKAJIMA JPNJPN 45.37 Re
29 3 1 1093 Håvard Bentdal INGVALDSEN NORNOR 45.46 Q
30 7 2 521 Anthony José ZAMBRANO COLCOL 45.49 Re
31 4 1 1085 Chidi OKEZIE NGRNGR 45.52 Re
32 5 6 1203 Cheikh Tidiane DIOUF SENSEN 45.59 Re
33 5 1 946 Kentaro SATO JPNJPN 45.60 Re .595
34 7 3 1187 Lythe PILLAY RSARSA 45.60 Re .596
35 8 2 1010 Michael JOSEPH LCALCA 45.69 Re
36 6 1 1284 Oleksandr POHORILKO UKRUKR 45.71 Re .703
37 8 3 542 Matěj KRSEK CZECZE 45.71 Re .708
38 6 5 1227 Lionel SPITZ SUISUI 45.81 Re
39 7 5 420 Lucas CARVALHO BRABRA 45.85 Re
40 7 1 917 Deandre WATKIN JAMJAM 45.97 Re
41 6 6 945 Fuga SATO JPNJPN 46.13 Re
42 7 6 638 Gilles BIRON FRAFRA 46.19 Re
43 8 5 864 Davide RE ITAITA 46.74 Re
44 6 4 314 Elián LARREGINA ARGARG 47.80 Re
6 965 Zablon Ekhal EKWAM KENKEN DNF
4 361 Steven GARDINER BAHBAH DNS
Legend

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