Norway's Karsten Warholm breaks 29-YEAR-OLD 400m hurdles world record in front of his home crowd in Oslo, running 46.70 to...
hurdles
Norway's Karsten Warholm runs 46.70 to set a new world record in the 400m hurdles in front of his home...
Norway's Karsten Warholm ran 46.70 seconds to set a new men's 400m hurdles world record in front of his home...