World Athletics Championships 2017

Live coverage from the London Stadium as Usain Bolt seeks a fourth 100m world title in the final season of his extraordinary career. British long jumper Greg Rutherford hopes to make another golden leap at the venue where he was crowned Olympic champion five years ago.

Assuming Jamaican Bolt comes through this evening’s semi-final, the most decorated sprinter of all time can expect to be challenged for the gold medal by the likes of former champions Justin Gatlin and Yohan Blake and emerging stars Christian Coleman of the USA, Canadian Andre De Grasse and South Africa’s Akani Simbine.

Rutherford was selected for the Great Britain & NI team despite a series of injury setbacks, having defied such issues before to win every major outdoor title available to him.

Katarina Johnson-Thompson completes the first day of the heptathlon in the shot put and 200m, while 1500m medal prospect Laura Muir is in semi-final action and defending 10,000m champion Vivian Cheruiyot goes head-to-head with Ethiopia's Olympic gold medallist and world record holder Almaz Ayana.

Gabby Logan introduces the action, with reports from Ore Oduba, analysis by Michael Johnson and Steve Cram, Andrew Cotter, Brendan Foster and Steve Backley among the commentators.

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