Action from the men and women's races at the third round of the World Triathlon Series, which takes place in Yokohama, Japan. Spaniard Mario Mola topped the overall men's standings for the second successive year in 2017, while Bermudan Flora Duffy also made it back-to-back titles in the women's contest.

Live coverage as double Olympic champion Alistair Brownlee and his brother Jonny seek a one-two finish for the third successive year at the Leeds leg of the World Triathlon Series. Louise Minchin introduces the action from near the finish line in Millennium Square, with JJ Chalmers reporting from Roundhay Park, where the bulk of the races take place.

As well as local favourites the Brownlee brothers, the British men's contingent also includes recent Commonwealth Games medallist Marc Austin, while former world champion Non Stanford, Olympic bronze medallist Vicky Holland and Commonwealth silver medallist Jess Learmonth form a powerful women's line-up. From an international standpoint, multiple world champions Flora Duffy and Mario Mola are both expected to compete.

Commentary is provided by Matt Chilton, with expert analysis by Annie Emmerson.