Escape from Alcatraz (triathlon) 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, is now run by IMG. The
Alcatraz Island 1906 San Francisco earthquake, civilian prisoners were transferred to Alcatraz for safe confinement. On March 21, 1907, Alcatraz was officially designated as the Western U.S. Military Prison, later Pacific Branch, U.S. Disciplinary Barracks, 1915. In 1909 construction began on the huge concrete main cell block, designed by Major Reuben Turner, which remains the island's dominant feature. It was completed in 1912. To accommodate the new cell block, the Citadel, a three-story barracks, was demolished down to the first floor, which was actually below ground level. The building had been constructed in an excavated pit (creating a dry "moat") to enhance