Escape from Alcatraz (triathlon) by "Inside Triathlon Magazine" for 2006. Escape from Alcatraz (triathlon) Escape from Alcatraz is the name for two different triathlons held in the San Francisco Bay Area of California. The Escape from Alcatraz originated in 1981 as a private club event, beginning in San Francisco and ending in Marin County. The race split in 1983 with a separate commercial event open to the public, which is now an aquathlon (having dropped the biking section of a traditional triathlon) held on a shorter course entirely within San Francisco. However, a new public triathlon, also known by the name Escape from Alcatraz,
Escape from Alcatraz (triathlon) foot race, but by making it an out-and-back run rather than a one-way course, became known as a "Double Dipsea". The course has remained the same over the years and celebrated its 35th anniversary in 2015. Participants are limited to members of the Dolphin Club and The South End Club. The Dolphin Club is the host and sponsor of the event. The annual public Escape from Alcatraz triathlon, organized by IMG, now takes place in early June. The current course consists of a swim starting near Alcatraz Island, a run from the bay to the transition zone at Marina Green,