In 2010, Birmingham ran a 1500 metres best of 3:35.50 minutes, a 3000 metres best of 7:38.77 minutes and a 5000 metres best of 13:10.97 minutes. He was 83rd at the 2010 IAAF World Cross Country Championships and was chosen to represent Oceania in the 5000 m at the 2010 IAAF Continental Cup, where he came sixth. He ran in both 5000 m and 10,000 m events at the 2010 Commonwealth Games in Delhi, finishing sixth and ninth, respectively. He represented Australia at the 2011 World Championships in Athletics, but did not progress beyond the 5000 m heats.