The Offaly club will face Dunsany of Meath after winning the provincial semi-final.
Hard work is the secret to success, according to Ballinagar's captain, Geordie O'Meara.
The Offaly club is playing in the Leinster Junior Football Championship final against Dunsany of Meath on Sunday.
Ballinagar won the county title at the intermediate grade with a three point win over Raheen, before going to claim wins against Ballon, Wolfe Tones, and Ellistown.
Dunsany were impressive winners over Kilcavan of Laois in their provincial semi-final last week.
O'Meara says they know how tough their task in Navan will be: