GB's sprinters take centre stage as Dina Asher-Smith runs in the women's 100m semi-finals and Zharnel Hughes goes in the men's heats.
Discover 11,128,835 listings and 278,135 playable programmes from the BBC
GB's sprinters take centre stage as Dina Asher-Smith runs in the women's 100m semi-finals and Zharnel Hughes goes in the men's heats.