How old do I have to be to participate? CornholeATL April 02, 2018 18:21 Updated Follow All CornholeATL and CornholeATH participants must be a minimum of 21 years old. Related articles What does the registration fee include? How many players do I need to have on my team? How do I create a profile? (PC Instructions) How to register as a free agent (PC Instructions) How do I get my shirt? Comments 0 comments Please sign in to leave a comment.