summer's olympic games. after winning silver and bronze at the two previous games, brownlee says he wants to move up in distance — and race in half—ironman and ironman events. brownlee is back in action in leeds on sunday for the latest world triathlon series event. now to the news that the 0lympic100 metres hurdles champion, brianna mcneal, has been banned forfive years for an anti—doping rule violation. the athletics integrity unit said the american had been sanctioned for what they call "tampering within the results management process". the 29 year old won gold at the 2016 rio games and was world champion in 2013. mcneal has appealed to the court of arbitration of sport and will know the outcome before the olympics and has been granted permission to take part in the american trials for tokyo later this month. britain's tayo gaygan hartjust missed out on winning stage