Big names including Australia’s Ironman World Champion Mirinda Carfrae and Britain’s Leanda Cave are confirmed to race the 35th Escape from Alcatraz Triathlon this weekend.

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>>> Olympians dominate Escape from Alcatraz Triathlon 2014

This year, 2,000 participants will embark on a 2.4km open-water swim from the infamous penitentiary of Alcatraz Island to the shoreline of Marina Green followed by a 29km hilly bike ride through the Presidio, finishing with a 12.8km trail run out to Baker Beach and up the infamous Sand Ladder.