2025 Romancing the Island Half Marathon & 10K

You'll fall in love with San Francisco all over again as you follow this hilly loop trail circumnavigating Angel Island. Along the way, savor the panoramic vistas of the Golden Gate Bridge, San Francisco, Alcatraz Island, the East Bay and Marin County. The 10K is a single loop. The Half Marathon does the loop twice. The event is limited to 400 participants so don't wait too long to register!

Registration fees

Prices are inclusive of mandatory charges, items, and fees (includes ferry fee)

Course Map & Elevation Profile

Link to Course Map

Additional Details

ATHLETE CHECK-IN: If you received your bib in the mail, you do not need to check-in. If you need to pick up a bib or change your distance, you can do so at the Tiburon ferry dock from 7:00-7:45AM. Safety pins and course maps will also be available during athlete check-in.

Event Partners

Contact information

Event contact: Enviro-Sports

Email: [email protected]

Phone: +1 415-868-1829

Website: Visit website