He played with his local club St Joseph's Doora-Barefield and with the Clare senior inter-county team from 1994 until 2006.
He has had some success at underage levels before finally winning a senior county championship title in 1998.
McMahon was a stylish, skillful and powerful hurler but was also invaluable for his prowess with long distance frees, rarely finishing a game without his name on the scoresheet.
McMahon captained Clare to two successive All-Ireland semi finals in 2005 and 2006, losing to eventual winners Cork[1] and Kilkenny[2] respectively.
[3] McMahon was selected at Centre half back on the Clare Intermediate team to play Cork in Semple Stadium on 21 June 2009.