An Austin, Texas man died after plunging into cold waters around Alcatraz for a swim across the San Francisco Bay on Sunday as part of the Escape from Alcatraz Triathlon.
His death cast a shadow over the normally boisterous display of athletic endurance.
In this video, a call for help from an unidentified swimmer brings a rescue boat.
More details about the death emerged on Monday, reported by the Contra Costa Times:
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.
Here are more photos and video from the event: