Collis Birmingham

Collis Birmingham (born 27 December 1984) is an Australian middle- and long-distance runner. He is a two-time participant at the Summer Olympics (2008 and 2012) and four-time participant at the World Championships in Athletics (2009, 2011, 2013 and 2015). He has competed at five editions of the IAAF World Cross Country Championships. He was an Australian and Oceanian 10,000 metres record holder from 2009 to 2011.