Athletics: Warholm sets new European record at Stockholm Diamond League

August 24, 2020 1:06 AMSTOCKHOLM (REUTERS) - Norwegian sprinter Karsten Warholm broke his own European record in the 400 metres hurdles at Sunday's (Aug 23) Diamond League event in Stockholm, clocking a time of 46.87 seconds that was just 0.09 seconds off the world record that has stood for 28 years.