LONDON, ENGLAND - APRIL 05:  Paula Radcliffe pictured on Westminster Bridge to announce Nike's sponsorship of the Great British 10K on April 5, 2012 in London England. The Great British 10K will be held on 8th July 2012. Time to do more. Train with us at www.facebook.com/nikerunninguk#makeitcount  (Photo by Ian Walton/Getty Images for Nike)