SAN FRANCISCO -- A triathlete who died Sunday morning during the swimming portion of Escape from Alcratraz Triathlon has been identified as 46-year-old Ross Ehilinger of Austin, Texas.

Ehilinger suffered a heart attack about 7:30 a.m. after entering the water for the 1.5-mile swimming portion of the race, according to the San Francisco medical examiner's office. He was the first competitor in the 33-year-history of the race to die during the competition.

According to the triathlon website, the event includes a 1.5-mile swim from Alcatraz Island to the shores of the St. Francis Yacht Club, an 18-mile bike ride and an 8-mile run through San Francisco's Golden Gate Recreational Area.

Follow Rick Hurd at Twitter.com/3rdERH.