The history books will say U.S. runner Rai Benjamin won the 400-meter hurdles at the world championships in a season-best 46.52 seconds in Tokyo, a year after his Paris Olympic gold.

Noah Lyles pulled ahead of Kenny Bednarek heading into the straightaway then held him off down the stretch to capture his fourth title in a much-awaited 200 meters at the world championships.

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

Norway’s Karsten Warholm powered to victory in the 400-meter hurdles, then put on his trademark Viking horns to celebrate his third victory at the world championships.

Alison Dos Santos of Brazil powered down the homestretch to take the 400-meter hurdles title at the world championships.

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."