Envirosports - Angel Island Half Marathon

Belvedere Tiburon, United States • 23 Aug 2025

The Envirosports Angel Island Half Marathon & 10K is an annual event held at Angel Island State Park near Belvedere Tiburon, California. The race 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 is a single loop, while the half marathon completes the loop twice.

The event is limited to 400 participants, creating an intimate atmosphere. Race pricing includes the ferry fee from Tiburon to the island. Participants receive t-shirts, and half marathon finishers earn medals.

Headphones are prohibited for safety on narrow trails. Visit the organization's website for the most recent information.

Race information

13 mi
Half Marathon
10 km
10k
Visit the organization's website for the most recent information.
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