First 3 in each heat (Q) and the next 6 fastest (q)

First 3 of each heat (Q) plus 6 fastest times (q) qualify to Semi-Final

Heat 1 20 AUG 2023 10:25 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
3 2625 Boniface Ontuga MWERESA KEN KEN 44.96 45.42
4 2859 Aruna Dharshana SINGHAPURAGE SRI SRI 45.45 45.45
5 2646 Michael JOSEPH LCA LCA 44.77 44.77
6 2589 Kentaro SATO JPN JPN 45.00 45.00
7 2060 Steven GARDINER BAH BAH 43.48 43.74
8 2833 Zakithi NENE RSA RSA 44.74 44.74
9 2431 Attila MOLNÁR HUN HUN 44.98 44.98

Heat 2 20 AUG 2023 10:33 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
3 2349 Matthew HUDSON-SMITH GBR GBR 44.35 44.72
4 2842 Wayde VAN NIEKERK RSA RSA 43.03 44.08
5 2064 Alonzo RUSSELL BAH BAH 44.73 44.73
6 2097 Busang Collen KEBINATSHIPI BOT BOT 44.91 44.91
7 2699 Liemarvin BONEVACIA NED NED 44.48 45.06
8 2019 Elián LARREGINA ARG ARG 45.34 45.34
9 2186 Anthony José ZAMBRANO COL COL 43.93 45.52

Heat 3 20 AUG 2023 10:41 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
2 2919 Jereem RICHARDS TTO TTO 44.54 44.54
3 2956 Oleksandr POHORILKO UKR UKR 45.31 45.31
4 3018 Vernon NORWOOD USA USA 44.35 44.39
5 2878 Ricky PETRUCCIANI SUI SUI 45.02 46.27
6 2073 Dylan BORLÉE BEL BEL 45.09 45.09
7 2068 Jonathan JONES BAR BAR 44.43 45.70
8 2731 Håvard Bentdal INGVALDSEN NOR NOR 44.86 44.86
9 2798 João COELHO POR POR 44.79 44.79

Heat 4 20 AUG 2023 10:49 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
2 2101 Leungo SCOTCH BOT BOT 44.82 44.82
3 2529 Sean BAILEY JAM JAM 44.43 44.43
4 2511 Davide RE ITA ITA 44.77 45.21
5 2588 Fuga SATO JPN JPN 45.13 45.13
6 2413 Kirani JAMES GRN GRN 43.74 44.50
7 2216 Gustav Lundholm NIELSEN DEN DEN 45.80 45.80
8 2889 Carl BENGTSTRÖM SWE SWE 45.33 45.77
9 2722 Dubem NWACHUKWU NGR NGR 44.81 44.81

Heat 5 20 AUG 2023 10:57 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
2 2793 Karol ZALEWSKI POL POL 45.11 45.81
3 2558 Antonio WATSON JAM JAM 44.54 44.54
4 2582 Yuki Joseph NAKAJIMA JPN JPN 45.12 45.12
5 2989 Quincy HALL USA USA 44.41 44.41
6 2477 Christopher O'DONNELL IRL IRL 45.26 45.73
7 2834 Lythe PILLAY RSA RSA 44.80 44.80
8 2067 Desean BOYCE BAR BAR 44.85 44.85
9 2881 Lionel SPITZ SUI SUI 45.25 45.25

Heat 6 20 AUG 2023 11:05 Please click on a row below to view more information

Order / Lane Bib ATHLETE COUNTRY PB SB 2023
3 2207 Matěj KRSEK CZE CZE 45.55 45.62
4 2982 Bryce DEADMON USA USA 44.22 44.22
5 2079 Alexander DOOM BEL BEL 45.28 45.28
6 2389 Manuel SANDERS GER GER 45.07 45.07
7 2107 Lucas CARVALHO BRA BRA 44.79 44.79
8 2099 Bayapo NDORI BOT BOT 44.61 44.61
9 2530 Zandrion BARNES JAM JAM 44.90 44.90