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 How do I create a profile? (PC Instructions) What does the registration fee include? What does being a team captain mean? How to register for a team that has already been created (PC Instructions) How to register as a free agent (Mobile Instructions) Comments 0 comments Please sign in to leave a comment.