Usain Bolt returns to the site of his first global triumph this week for a world championships showdown with a convicted dope cheat that has ramifications for athletics beyond just establishing who is the fastest man in the world.
Olympic champion and world record holder David Rudisha ran from the front and trusted his finishing pace to regain the world 800 metres title at the World Athletics Championships in Beijing, on Tuesday.
Elana Meyer looks back on the disappointment of missing out on competing internationally because of the sporting boycott of South Africa in conversation with Rediff.com's Laxmi Negi.