Career
At the 2012 Summer Olympics, he competed in the Men"s 5000 metres, finishing 28th overall in Round 1, failing to qualify for the final. On 2 May 2015, David ran a qualifying time of 27:45.01 to the 2015 World Championships in Athletics and Athletics at the 2016 Summer Olympics by finishing 4th at Payton Jordan Invitational 10km.