He formerly played hurling with the Dublin senior inter-county team and won an All Star award in 1990, being picked in the full forward position.
[1] McMahon retired from Hurling in 2015, and took up racehorse training.
McMahon moved on from Hurling to pursue a racehorse training career,[2] starting in 2013 in Irish jump races.
[3] His most successful horse being Sé Mo Loach in both hurdling and chasing.
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