TOKYO, JAPAN - AUGUST 03: Karsten Warholm of Team Norway ran a new world and Olympic record of 45.94 seconds in the mens 400m hurdles during the Athletics event on Day 11 of the Tokyo 2020 Olympic Games at the Olympic Stadium on August 03, 2021 Tokyo, Japan. (Photo by Roger Sedres/Gallo Images)
TOKYO, JAPAN - AUGUST 03: Karsten Warholm of Team Norway poses with a scoreboard showing his new world record time after winning the gold medal in the Men's 400m Hurdles Final on day eleven of the Tokyo 2020 Olympic Games at Olympic Stadium on August 03, 2021 in Tokyo, Japan. (Photo by Ryan Pierse/Getty Images)
TOKYO, JAPAN - AUGUST 03: (L-R) Silver medalist Rai Benjamin of Team United States, gold medalist Karsten Warholm of Team Norway and bronze medalist Alison dos Santos of Team Brazil stand on the podium during the medal ceremony for the Men's 400m hurdles on day eleven of the Tokyo 2020 Olympic Games at Olympic Stadium on August 03, 2021 in Tokyo, Japan. (Photo by Cameron Spencer/Getty Images)
