36 prisoners tried to escape from Alcatraz. They all failed. You can show how to do it successfully August 19 at 6:30 am at the 39th annual Escape from the Rock. Choose either to compete in the 1.5 mile open water swim or in a 1.5 mile swim plus 7 mile run. Only 500 participants are selected. Registration starts at $225. The water temperature is in the low 60’s. Bring your wetsuit.