Legends of Alcatraz Legends of Alcatraz Located in the San Francisco Bay, Alcatraz Island and Alcatraz Federal Penitentiary have been cited as one of the most haunted places in America, and also as the most haunted prison in the country. The Native Americans mentioned the evil spirits they purportedly encountered on the island long before it became a federal prison. Mark Twain documented the eerie atmosphere of the island after visiting it, described it as "being as cold as winter, even in the summer months." Prisoners, rangers and visitors have reported a wide range of alleged ghostly activity on Alcatraz, from whispering in
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,