Georgia State Patrol officials say 44-year-old Christopher Petty died at a hospital after Saturday’s Turtle Crawl Triathlon on Jekyll Island.
Eric Garvey, a spokesman for the Jekyll Island Authority, says Petty suffered an apparent cardiac arrest and was rescued from the water by event lifeguards.
The Florida Times-Union reports that rescuers performed CPR on the beach. Garvey said he was taken to a Brunswick hospital, where he was pronounced dead.
A moment of silence was held for Petty during the opening of the new Jekyll Island Convention Center on Sunday.
The triathlon, currently in its 10th year, typically draws about 700 competitors each May.