Fastest time to swim three Alcatraz Island to mainland routes (Angel Island, St. Francis, Horseshoe Bay)
- Who
- Helen Tonge
- What
- 3:45:16 hour(s):minute(s):second(s)
- Where
- United States (San Francisco )
- When
- 16 April 2019
The fastest time to swim three Alcatraz Island to mainland routes (Angel Island, St. Francis, Horseshoe Bay) is 3 hr 45 min 16 sec, achieved by Helen Tonge (UK), in San Francisco, California, USA, from 13 to 16 April 2019.
The three swimming routes are those most likely taken during the 1962 Alcatraz escape attempt.