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.

Jamaican Elaine Thompson-Herah bested her gold-medal winning time in Tokyo at the Prefontaine Classic on Saturday, and Sha’Carri Richardson finished last in her return to the track after controversy.

Sha’Carri Richardson is set to compete again after missing the Tokyo Olympics because of a positive marijuana test.

Garrett Scantling won the decathlon with a personal-best score of 8,647 points to earn a spot at the Tokyo Olympics.

Sha’Carri Richardson breezed to a win in the 100 meters at the U.S. Olympic track and field trials to secure her spot at the Tokyo Games.

(CNN) - U.S. sprinter Christian Coleman stormed to 100 meters gold at the World Athletics Championships in Doha Saturday, shrugging off the controversy that had threatened his participation in the global showpiece. Coleman was a hot favorite going into the final and did not disappoint with a blistering winning time of 9.76 seconds, the fastest time in the world this year and sixth best of all time. Coleman told CNN in an interview before the championships that he received a phone call from US Anti Doping Agency (USADA) CEO Travis Tygart offering an apology. Hassan triumphsMany who had been in the giant stadium departed after Sifan Hassan won the first gold medal of the track events as the Dutch athlete took the women's 10,000 meters title, her first global gold. Her winning time of two hours 32 minutes 43 seconds, over a quarter of an hour slower than the world record, reflected the conditions.