Possible Clues:

• Sportsman in physical contests
• A lease secured by the gymnast
• Person to compete in sports
• Phelps, for one
• Person fit for physical sports
• After a time, he accepts permit from sporty type
• Olympian, maybe
• It's a hindrance in the case of the sportsman
• One must be fit to make the tale
• A lease retained by the sportsman