The London 2017 IAAF World Championships could be the last chance to witness athletic legends Mo Farah and Usain Bolt compete on the track. As they're both expected to retire this year, this competition marks the end of an era.
This got us thinking - what will Mo & Usain do next? Will they become legends in another sport or another field? Will they become business moguls? Or will they just put their feet up and enjoy life in the slow lane?
Inspired by their imminent retirement and our curiosity about the next chapter in their lives, we've put together this quiz. Play along to find out where your favourite sports stars are now.
For more sports trivia, check out our timeline of iconic sporting moments that happened on British soil or catch up with current triple jump hold record holder Jonathan Edwards CBE on what it's like to step out on to the most prestigious 100m track in world athletics with our exclusive video.
To make sure you don't miss out on sporting history, book your hospitality package to the IAAF World Championships in London.