Born in Togher, Cahalane first excelled at both hurling and Gaelic football in his youth. He arrived on the inter-county scene at the age of seventeen when he first linked up with the minor teams as a dual player, before later lining out with the under-21 sides. He made his senior hurling debut in the 2012 championship before joining the senior football team the following season.
At club level Cahalane is a two-time championship medallist with.
He plays his club hurling with Saint Finbarr"son Cahalane"s father, Niall, was a two-time All-Ireland medallist with the football players.