LONDON, ENGLAND - SEPTEMBER 05: An Official checks the starting blocks on day 7 of the London 2012 Paralympic Games at Olympic Stadium on September 5, 2012 in London, England. (Photo by Julian ... more 

LONDON, ENGLAND - SEPTEMBER 05: An Official checks the starting blocks on day 7 of the London 2012 Paralympic Games at Olympic Stadium on September 5, 2012 in London, England. (Photo by Julian Finney/Getty Images) less