
History-maker: Karsten Warholm is the world-record holder and Olympic gold medalist in the men’s 400m hurdles event
(Picture: Getty Images)Olympic champion Karsten Warholm fears he suffered a torn hamstring during his first outing of the season last night, less than six weeks out from the start of the World Athletics Championships.
Warholm, one of the stars of the sport, shattered the 400m hurdles world record en route to gold in Tokyo last summer in a race considered among the greatest of all time.