Usain Bolt of Jamaica falls to the track in the Men’s 4x100 Relay final. Photo: Michael Steele/Getty Images

As sporting farewells go it was spectacularly surprising on the double - Usain Bolt pulling up injured in what was his last ever race on the track, wh(...)

Japan’s Abdul Hakim Sani Brown, Trinidad and Tobago’s Jereem Richards, Botswana’s Isaac Makwala, Turkey’s Ramil Guliyev, US athlete Isiah Young and South Africa’s Wayde Van Niekerk compete in the final of the men’s 200m at the World Championships in London. Photograph: Jewel Samad/AFP/Getty Images

South Africa’s Wayde van Niekerk hit out at Isaac Makwala and accused him of a lack of respect after missing out on his dream double at the World Cham(...)

South Africa’s Caster Semenya: After falling just short of winning the 1,500m on Monday night, Semenya duly won her heat  in London  in 2:01.34, extending a now unbeaten 23-month winning streak at that distance. Photograph:  Adam Davy/PA Wire

No athlete deserves to be burdened with the repeatedly sketchy attention that Caster Semenya has been getting over the last eight years – only at this(...)