London braced for Bolt and Farah swansongs — reuters.com

LONDON (Reuters) - It will be the end of an era for athletics on Saturday when Usain Bolt races for the last time in the men's 4x100 meters relay at the World Championships. The Jamaican is hoping to step away from the track having won his 20th global championship title, something he was denied last week when he finished third in the 100m behind American Justin Gatlin. Fans flocking to the London Stadium on Saturday will probably be treated to a double dose of the 30-year-old sprint legend as Bolt plans to take part in the relay heats in the day's first session.

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