NOTE: RACE PRICING INCLUDES FERRY FEE
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 (slightly long at ~6.5 miles) 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
Half Marathon
Price changes in 3 months 27 days-
(includes ferry fee)
-
$87.58
Early Bird Pricing
Jan 7 – May 31 -
Register for Half Marathon$98.28Now registering Jun 1 – Sep 30
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$108.98Oct 1 – Nov 13
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$119.68Nov 14 – Dec 13
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10K
Price changes in 3 months 27 days-
(includes ferry fee)
-
$87.58
Early Bird Pricing
Jan 7 – May 31 -
Register for 10K$98.28Now registering Jun 1 – Sep 30
-
$108.98Oct 1 – Nov 13
-
$119.68Nov 14 – Dec 13
-
Half Marathon - Youth
Price changes in 5 months 27 days-
(includes ferry fee)
-
Register for Half Marathon - Youth$44.79
Early Bird Pricing
Now registering Jan 7 – Nov 30 -
$50.14Dec 1 – Dec 13
-
10K - Youth
Price changes in 5 months 27 days-
(includes ferry fee)
-
Register for 10K - Youth$44.79
Early Bird Pricing
Now registering Jan 7 – Nov 30 -
$50.14Dec 1 – Dec 13
-
Course Map & Elevation Profile
COURSE CUT-OFF TIME: 3.5 HOURS (16:00min/mile pace for Half Marathon, 35:00min/mile for 10K). Half Marathoners must complete first loop in 1 hour 30 min. Hikers/Walkers are welcome to participate in the 10K.
Half Marathon Elevation Profile
Additional Details
COURSE MARKINGS: The course will be marked with orange ribbon wherever you need to cross a trail or make a turn.
AID STATIONS: There are no aid stations out on the course. There will be aid available for the Half Marathon before the second loop. We highly recommend that you carry water. There will be food/drink available at the finish as well.
INCENTIVES: T-Shirts for all participants. Personalized award ribbons to the top three finishers, male and female, in each age group for all distances which will be mailed out a few weeks after the race.
Medals Awarded to ALL Half Marathon Finishers.
BIB NUMBERS: Bib numbers will be mailed out to participants beginning two weeks before the event. If you do NOT receive a bib prior to race day, you will pick one up on race day morning. If you did not supply a valid mailing address when you registered, or if your mailing address has changed, please e-mail us at info@envirosports.com.
PARKING: can be found in Tiburon parking lots from $5-20/day. The closer you are to the ferry dock, the more expensive the parking.
DRIVING DIRECTIONS: Google Maps Link to Ferry Dock.
CANCELLATIONS: Registrations are non-refundable and non-transferable. Here are the policy Terms & Conditions of the Race Roster Enhanced Refund Protection Program. You cannot purchase it AFTER you have completed your checkout. Otherwise, if you don't purchase the refund protection, and you need to cancel, you can email us by November 13, 2025 to receive a rollover credit (the amount you paid minus a $20 fee) to use toward any future Enviro-Sports race. After that date, a doctor's note is required to receive a credit.
HEADPHONES POLICY: Since parts of this race include very narrow trails with steep drop-offs along the course, it is imperative that runners can hear each other in order to pass safely, even if they are running at a slow speed. For safety reasons (and for the enjoyment of your fellow runners) headphones (and any other audio devices) are NOT allowed.
Ferry Details
Special chartered ferries begin departing from the Tiburon ferry dock (21 Main St., Tiburon, CA 94920) at 8:00 AM. Athletes MUST take this ferry to participate in the race. No ferry from San Francisco will get you to the race on time.
Ferries depart FROM Angel Island back to Tiburon every hour at 20 minutes past the hour, except 12:20 PM.
Encourage your friends and family to come cheer you on and enjoy a day on the island.
Ferry fees for spectators (to be paid at the ferry dock on race day morning):
$20 Adults (ages 13 and over)
$15 Children (ages 6 - 12)
$6 Small Children (ages 3 - 5)
Free Toddlers (ages 2 and under)
$1 per Bike
Travel & Accommodations
The Lodge at Tiburon 720-354-3396, 1651 Tiburon Boulevard, Tiburon, CA 94920 (Closest to Ferry Dock)
Holiday Inn Express Mill Valley 415-332-5700, 160 Shoreline Highway, Mill Valley, CA 94941
Cavallo Point 415-339-4700, 601 Murray Circle, Sausalito, CA 94965
Event Partners
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Contact information
- Event contact
- Enviro-Sports
- info@envirosports.com
- Phone
- 415-868-1829
- Website
- Visit website
