Norwegian world-record holder Karsten Warholm turned in the fastest time in 400-meter hurdles qualifying as he tries to defend his Olympic title.

Britain’s Josh Kerr pulled off the biggest upset of the world championships, outrunning heavily favored Jakob Ingebrigtsen of Norway to the line for a win in the 1,500 meters.

British 1,500-meter champion Jake Wightman was in disbelief after he crossed the finish line.

Simone Biles returned to competition at the Tokyo Games on Tuesday and won a bronze medal in the balance beam.

Karsten Warholm of Norway obliterated his own world record in the Olympic 400-meter hurdles Tuesday, finishing in 45.94 to crack the old mark by.

The Jamaican sprinter and her Olympic-record time captured everyone’s attention.

The so-called playbook for athletes at the Tokyo Olympics provides a guide to a “safe and successful Games."