The Cullen Trophy is a mixed foursomes competition run by Baltinglass Golf Club. The trophy was inaugurated in 1968 and named after the sponsor and then Club Secretary, J D Cullen. It was the first interclub mixed foursomes competition in the South Leinster area.
- The matches take place in the one venue – either home or away.
- The semi final is played over two legs, home and away
- The final takes place in Baltinglass Golf Club, normally on the last Sunday in August.
- The handicap limit is 18 for men and 28 for women.