Participant dies from medical complications during Ironman open water courseCozumel, Q.R. — A competitor in Cozumel’s Ironman 70.3 died Sunday from medical complications during a swim competition. In a statement from event organizers, they reported that aquatic safety personnel noticed the competitor showing signs of distress while completing the open water course. Despite the medical team’s efforts, the participant died shortly after admission to hospital. According to the official statement, the Sunday incident occurred during the 1.9-kilometer open water race.