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

First 2 of each heat (WQ) plus 2 fastest times (Wq) qualify to World Athletics Championships and World Athletics Relays Final

Heat 1 02 MAY 2026 15:05 Please click on a row below to view more information

POS BIB ATHLETE COUNTRY MARK Reaction Time
1 ESP Spain ESP ESP 42.26 WQ SB 0.139
2 CAN Canada CAN CAN 42.39 WQ SB 0.138
3 POL Poland POL POL 43.09 Wq SB 0.147
4 USA United States USA USA 43.33 0.118
5 IND India IND IND 43.97 SB 0.152
AUS Australia AUS AUS DQ 0.132
IRL Ireland IRL IRL DQ 0.181

Heat 2 02 MAY 2026 15:13 Please click on a row below to view more information

POS BIB ATHLETE COUNTRY MARK Reaction Time
1 CHN PR of China CHN CHN 42.62 WQ SB 0.169
2 ITA Italy ITA ITA 42.94 WQ SB 0.127
3 SUI Switzerland SUI SUI 43.11 SB 0.167
4 RSA South Africa RSA RSA 43.22 NR 0.138
5 NED Netherlands NED NED 43.28 SB 0.165
6 CHI Chile CHI CHI 45.40 0.178
GBR Great Britain & NI GBR GBR DQ 0.150

Heat 3 02 MAY 2026 15:20 Please click on a row below to view more information

POS BIB ATHLETE COUNTRY MARK Reaction Time
1 JAM Jamaica JAM JAM 41.96 WQ SB 0.159
2 GER Germany GER GER 42.44 WQ SB 0.166
3 POR Portugal POR POR 43.11 Wq NR 0.136
4 BOT Botswana BOT BOT 45.62 0.342
BEL Belgium BEL BEL DQ 0.145
FRA France FRA FRA DQ 0.163
HUN Hungary HUN HUN DQ 0.152
NGR Nigeria NGR NGR DQ 0.167