BBC Sport takes a look at the best bits so far of this year's inaugural Diamond League, from Usain Bolt's 100m showdown with Asafa Powell in Paris to Jonathan Borlee's mishap with a camera.
Available to UK users only.
Diamond League - London Grand Prix
Venue: Crystal Palace Dates: 13-14 August
Coverage: Watch Live on BBC 2 (Friday 1800-2100 BST), BBC 1 (Saturday 1300-1630 BST) and BBC Sport website (UK users only); full commentary on 5 live sports extra on Friday, updates on Radio 5 live on Saturday