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Envirosports - Angel Island Half Marathon

Belvedere Tiburon, United States • 23 Aug 2025

2025 Angel Island Half Marathon & 10K, by Enviro-Sports, takes place on Angel Island in Belvedere-Tiburon, CA. The course is a scenic, hilly loop: the 10K is a single loop, the Half Marathon doubles it, with views of the Golden Gate Bridge, San Francisco, Alcatraz, the East Bay and Marin County. The event is limited to 400 participants.

Ferry transport from Tiburon to Angel Island is included in pricing. The course is orange-marked with no on-course aid stations; aid is available before the Half’s second loop. Headphones are not allowed.

Finisher medals, age-group ribbons, and tees are provided; bibs ship ahead. Visit the organization's website for the most recent information.

United States California Belvedere Tiburon

Race information

Website Registration
21 km
Half Marathon
21 km
Half Marathon - Youth (6-17)
10 km
10k
10 km
10k - Youth (6-17)
Visit the organization's website for the most recent information.
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