Cahalane played as a dual player at school level with Coláiste an Spioraid Naoimh and later moved to Christian Brothers College and came in two successive Harty Cup finals in 2019 and 2020 but losing both to Midleton CBS and St. Flannan's College, Ennis.
Cahalane first played at inter-county level with Cork as a dual minor in 2018 and ended his time in this grade with an All-Ireland MFC title.
[3][4] Cahalane was added to the Cork senior football team for the 2022 McGrath Cup.
[5][6] His father, Niall Cahalane, and his uncle, John Cleary, won All-Ireland SFC medals as members of the Cork senior football team in 1989 and 1990.
[7] Cahalane's aunt, Nollaig Cleary, won nine All-Ireland medals with Cork.