21 year old Karsten Warholm watches the replay and reacts to his victory in the 400 hurdles after upsetting Olympic champion Kerron Clement. Warholm led wire to wire running the 2nd fastest time in his career 48.35 (Clement 48.52 / 3rd). Warholm was a former decathlete and has only been focusing on the 4hurdles the past 2 years. #London2017 #WorldChampionships #RoadtoLondon #TrackChampionships #TrackandField #TrackNation #Sports #SportsPhotography #TrackNation #FloTrack #RunnerSpace #Dyestat #Athletics #IAAFWorlds #400Hurdles #KarstenWarholm #KerronClement #Canon1Dxmarkii #Canon500 #Canon500F4