ONLINE REGISTRATION is closed.
RACE DAY REGISTRATION will be available: Adult $60, Youth (17 & Under) $10 (plus ferry fee according to age).
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 12K is a single loop. The 25K does the loop twice. The event is limited to 400 participants so don't wait too long to register!
UPDATE: Please note that if you have done this event in the past, the course has changed slightly. 2.5 miles of the 12K are on the perimeter road which is paved. This re-designed route is much safer and eliminates the crowding in the "out and back" portion. The views are still unbeatable! Check out the new course map below.
Registration fees
Prices are inclusive of mandatory charges, items, and fees
12K Closed
Online registration closed-
(includes ferry fee)
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$60.83Jan 1 – May 31
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$66.18Jun 1 – Jul 24
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25K Closed
Online registration closed-
(includes ferry fee)
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$60.83Jan 1 – May 31
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$66.18Jun 1 – Jul 24
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Course Map & Elevation Profile
COURSE CUT-OFF TIME: 3.5 HOURS (13:30min/mile pace for 25K, 28:10min/mile for 12K). Hikers/Walkers are welcome to participate in the 12K.
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 25K 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. Rubber chicken to the first place overall male & female in each distance. 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.
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 $4-10/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. If you email us by February 7, you may receive a rollover credit (the amount you paid minus a $10 fee) to use toward any future Enviro-Sports race.
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
A special chartered ferry departs from the Tiburon ferry dock (21 Main St., Tiburon, CA 94920) at 8:00am. 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.
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):
$15 Adults (ages 13 and over)
$12 Children (ages 6 - 12)
$5 Small Children (ages 3 - 5)
Free Toddlers (ages 2 and under)
$1 per Bike
Event schedule
- Sat, July 25, 2015 7:15 AM - Athlete Check-In
- Sat, July 25, 2015 8:00 AM - Ferry Departs
- Sat, July 25, 2015 9:00 AM - Approximate Race Start 25K
- Sat, July 25, 2015 9:10 AM - Approximate Race Start 12K
Contact information
- Event contact
- Enviro-Sports
- info@envirosports.com
- Website
- Visit website