From 2002 to 2004 and from 2006 to 2011 Brown was selected to represent Western Australia in the men's lightweight four contesting the Penrith Cup at the Interstate Regatta within the Australian Rowing Championships.

[1] Brown first represented Australia at the 2002 World Rowing Cup II in Lucerne in a lightweight coxless pair with his West Australian team-mate Tom Nicholls which placed sixth.

[2] In 2003 Brown and Nicholls teamed up with the Tasmanians Tom Gibson and Cameron Wurf in a lightweight coxless four.

[2] In 2010 at the World Championships in Lake Karapiro, Brown was seated at bow in the Australian men's lightweight eight who placed second and won the silver medal.

[2] The lightweight eight stayed together into 2011 with the changeout of Perry Ward and Angus Tyers for Rod Chisolm and Tom Gibson and a move of Darryn Purcell into the stroke seat.