Envirosports - Angel Island Half Marathon

The Envirosports Angel Island Half Marathon & 10K is an annual race held at Angel Island State Park near Tiburon, California. The event features a scenic, hilly loop trail that circumnavigates Angel Island, offering stunning panoramic views of the Golden Gate Bridge, San Francisco, Alcatraz Island, the East Bay, and Marin County. The 10K race completes one loop, while the half marathon covers the loop twice.

Limited to 400 participants, the race includes ferry transportation from Tiburon, with fees included in registration. Runners are advised to carry water as aid stations are limited. The event emphasizes safety with a no-headphones policy on narrow trails. Visit the organization's website for the most recent information.