World Championships 2017: Usain Bolt & Mo Farah headline London event

Farah is returning to the stadium where he won double Olympic gold at the 2012 Olympics

World Athletics Championships on the BBC
Venue: London Stadium Dates: 4-13 August
Coverage: Live across BBC One and Two, BBC Radio 5 live, BBC Radio 5 live sports extra, the BBC Sport website and app. Click for times

Jamaican sprint great Usain Bolt and British distance legend Mo Farah will attempt to sign off with gold at the World Championships which begins in London on Friday.

The pair, who have 28 world and Olympic titles between them, will both retire from the track by the end of the season.
Elsewhere, Jamaica's Elaine Thompson and Dutchwoman Dafne Schippers renew their sprint rivalry, while Britain's Laura Muir will attempt a formidable 1500m-5,000m double.

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With Bolt not defending his 200m title, 400m world record holder Wayde van Niekerk will attempt to double up and establish himself as one of the new figureheads for the sport.