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Sun March 10, 2024 Tiburon, CA 94920 US Directions
RaceJoy Ready



Tiburon Ferry Dock
21 Main St
Tiburon, CA US 94920


Angel Island is a hilly, grass- and forest-covered island that provides spectacular views of Marin County, San Francisco, and the Golden Gate. Trails and roads circle the entire island and climb Mount Livermore. Bring the whole family and enjoy a post-run picnic at beautiful Ayala Cove.
(Distances are accurately measured using a Rolatape® surveyor's measuring wheel.)

Bib Number & Shirt Pick-up

Race Day: 8:00am - 9:00am at the Tiburon Ferry Dock.
Please note that the chartered Tiburon Ferry leaves for Angel Island at 9:05am.  We'll also have Packet Pickup on Angel Island from 10:15am - 10:45 am. Event start times are listed here.
Parking is available in Tiburon at various paid lots and free parking at an asphalt lot just before Tiburon (0.6 mi from Tiburon Ferry).
Drop Bags: You can leave a drop bag with non-valuables at the Start/Finish.
No dogs allowed on Angel Island.

Ferry Information

9:05 a.m. early, chartered ferry at Tiburon. Round-trip ferry ride cost is $19 and is not included in your entry fee. Ferry returns hourly at 20 minutes past the hour. Please purchase your ferry tickets during your registration process.

Time Limit

All Events - 3:45 hours (hikers welcome)


The course will be marked with orange (summit loop), yellow (middle loop), and pink (perimeter loop) flagging approximately every 200 meters. The 5 mile event will follow the orange summit loop. The 10 mile event does the yellow middle loop first, then the orange summit loop. The 15 mile event does the pink perimeter loop first, then the yellow middle loop, and finally the orange summit loop.

The most important course marking is the polka-dot flagging. It indicates a turn at an intersection. There will be at least two polka-dot flagging before a turn in the course. The polka-dot flagging will be placed before and on the same side as the required turn. As you approach an intersection, look for any polka-dot flagging before the turn. Waiting until you're in the intersection to determine the correct direction may be confusing and you may go the wrong way. After you complete the turn, there will be orange, yellow, and/or pink flagging indicating the correct route. We also hang blue ribbons at critical junctions indicating the wrong way. Blue is bad!

If you don't see your respective flagging for 3-4 minutes, you are off course. If you get off course, you should retrace your path until you find where you left the course and then continue along the marked course.

Please be courteous on the trail. If you're passing another runner or hiker, announce "on your left" as you approach.

Headphones are allowed on dirt road sections only. Please do not wear headphones on single-track trail, while crossing paved roads, when getting aid at aid stations, or while crossing the finish line.

Your bib number indicates the distance that you're running. If you want to change your distance, please send us an e-mail or let us know by check-in, at the latest.

Many of the parks in California have poison oak. We recommend staying on the trail and washing with Tecnu after your trail run. Occasionally, bees or yellow jackets may be active and precautions should be taken if you're allergic.

No dogs allowed on Angel Island.

Click the icon below to download the attached PDF.


Elevation Profiles/Course Surface

5 mi

Elevation Gain: 810'
Course Surface: Single Track (96%), Dirt Road (0%), Asphalt (4%)



10 mi

Elevation Gain: 1,380'
Course Surface: Single Track (73%), Dirt Road (23%), Asphalt (4%) 



15 mi

Elevation Gain: 1,840'
Course Surface: Single Track (51%), Dirt Road (16%), Asphalt (33%)


Aid Stations

Fully-stocked aid stations every 5 miles. You can expect fresh fruit, salty snacks, assorted candy, water, and Clif Shot Electrolyte sports drink. It is highly recommended that runners carry at least 20 oz. of water between aid stations.

Click the icon below to download the attached PDF.



In an effort to reduce waste and litter, Coastal/Zoom events are cupless. We request that you bring your preferred means of containing fluids during your run and at the aid stations. We will have some Hydrapak SpeedCup ($5) for sale at check-in.

Please note that there are no pre-filled cups of hydration at the aid stations. In case you really need a disposable cup, please request one from the aid station volunteers. We ask that you use only one. Thank you!


We use state-of-the-art Bibtags by MyLaps to accurately time each runner’s finish time. Results are published on the website every 30 minutes.


T-shirts will be given to all pre-registered runners. All finishers will receive a custom medal.

Overall Winners: The top 3 male and female overall winners of every distance will win an award and race credits to future Coastal races:

1st Place - $50
2nd Place - $35
3rd Place - $20

These race credits are valid for 3 months from date of issue and is for one time use only.

Top three finishers in each age group and gender will receive award medals.

Note: Overall and age group placing are based on Clock Time rather than Chip Time.  As a bona fide competition, runners should start at the same time and compete against each other on the course.  Chip Time is used so runners can see their actual elapsed time.

Course Records

5 mi
  Cory Munsch, 26, San Francisco, CA ('22)   33:00
  Ashley Relf, 31, San Francisco, CA ('14)      41:37
10 mi
  Alex Thompson, 36, Palo Alto, CA ('16)     1:06:53
  Ashley Relf, 30, San Francisco, CA ('13)   1:16:30
15 mi
  Taylor Garrett, 29, San Francisco, CA ('19)  1:40:10
  Anne Cottrell, 44, Saint Helena, CA ('15)      2:01:15



Race Contact Info

If you have any questions about this race, click the button below.

Parking Locations



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