Kenya's Mercy Cherono Koech celebrates winning the Women's 5000m

The mercy hi-res stock photography and images - Page 34 - Alamy

The stadium queen elizabeth olympic park hi-res stock photography and images - Page 20 - Alamy

The stadium queen elizabeth olympic park hi-res stock photography and images - Page 20 - Alamy

Sainsburys sainsburys sainsburys hi-res stock photography and images - Page 33 - Alamy

Sainsburys sainsburys sainsburys hi-res stock photography and images - Page 33 - Alamy

Athletics mid length half celebration hi-res stock photography and images - Page 3 - Alamy

Athletics mid length half celebration hi-res stock photography and images - Page 3 - Alamy

Sainsburys sainsburys sainsburys hi-res stock photography and images - Page 33 - Alamy

Sainsburys sainsburys sainsburys hi-res stock photography and images - Page 33 - Alamy

The mercy hi-res stock photography and images - Page 34 - Alamy

Athletics mid length half celebration hi-res stock photography and images - Page 3 - Alamy

Athletics mid length half celebration hi-res stock photography and images - Page 3 - Alamy

Cherono hi-res stock photography and images - Alamy

Penny Lancaster promotes her new fitness workout video, Ultimate

What on earth have I just run?' - Dina Asher-Smith breaks 11

Buy Active Grey Marl Medium Support Sports Bra S, Bras

Shana Cox in the womens 400m during the Sainsbury's British Championships at the Alexander Stadium, Birmingham Stock Photo - Alamy

Kaliese SPENCER, women's 400m Hurdles, Diamond League 2014 Sainsbury's Birmingham Grand Prix, Alexander Stadium, UK Stock Photo - Alamy