Athing Mu wins the women’s 800m in her Olympic debut, Thompson-Herah gets the double-double

Both women dominated their races, setting U.S. and Jamaican national records

De Grasse sets Canadian 200m national record in semi-finals in Tokyo

Four Canadians qualified through to the finals in their events in Tokyo

Karsten Warholm smashes 400m hurdles world record, wins gold in Tokyo

The Norwegian hurdler smashed his own world record in 45.94, and five other men set national records in the men’s 400m hurdles final