Tyson Gay says racing Usain Bolt in 2011 a possiblity

Ahead of Sunday's 150m race in Deansgate at the Great City Games in Manchester, American sprinter Tyson Gay says a 2011 showdown with Usain Bolt will only happen if both men are fully fit.

Full coverage details, external

Great Day of Sport: Manchester, Sunday 15 May. Coverage: Live on BBC Two and BBC Sport website:

Schedule:

Great Manchester Run 1000 BST

Great Salford Swim 1400 BST

Great City Games 1530 BST