Escape from Alcatraz (triathlon) first Escape from Alcatraz was proposed by Joe Oakes after he participated in the 1979 Ironman Triathlon in Hawaii. The first Escape from Alcatraz race was held two years later in June 1981, with members of the Dolphin Club testing the course. The course started with a swim from Alcatraz Island in the middle of San Francisco Bay to the city of San Francisco, a bike ride over the Golden Gate Bridge to Mill Valley in Marin County, and an out-and-back running course over Mount Tamalpais to Stinson Beach and back. The running course followed the course of the Dipsea
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