Jessica Ennis, Mo Farah and Greg Rutherford sign up for Sainsbury's Anniversary Games at Olympic Stadium
Tiffany PORTER Women's 100m Hurdles Heat 2 2014 Sainsbury's British Championships Birmingham Alexander Stadium UK Stock Photo - Alamy
Kenya's Mercy Cherono Koech celebrates winning the Women's 5000m during day two of the Sainsbury's Anniversary Games at The Stadium at Queen Elizabeth Olympic Park, London Stock Photo - Alamy
