 Complete the following phrase:  Cowleys debut at an international athletics competition was at the 2008 World Race Walking Cup where he competed in the junior 10kilometre race; finishing 39th in at time 45minutes and 24seconds. He then competed at the 2010 World Junior Championships in Athletics where he finished 17th in the 10kilometres event. Cowley competed in two more World Race Walking Cups in 2010 and 2012. At the 2010 competition he once again competed in the junior 10kilometre race. This time he finished 15th. At the 