JJ van Zyl of South Africa (Centre) competes with Josef Prorok of CZE (L) and Silvio Schirrmeister of Germany (R) in round 1 of the Men's 1\400m Hurdles during day 1 of athletics held at the Olympic Stadium in Olympic Park in London as part of the London 2012 Olympics on the 3rd August 2012..Photo by Ron Gaunt/SPORTZPICS