Mt. Tam Trail Run
The Mt. Tam Trail Run offers a challenging climb from Stinson Beach to panoramic views.
Race Date
Nov 7, 2026
Location
Stinson Beach, CA
Quick facts
- Date
- Saturday, November 7, 2026
- Location
- Stinson Beach, California
- Distance
- Half marathon (13.1 mi)
- Course
- Loop Course
- Terrain
- Trail
- USATF certified
- Not listed
- Finishers on record
- 416
Highlights
Good For
Atmosphere
Course
The Experience
The Mt. Tam Trail Run beckons trail enthusiasts to conquer the iconic Mt. Tamalpais State Park. Starting at the picturesque Stinson Beach, the course embarks on a significant ascent, rewarding runners with breathtaking, perched views from the summit before descending via premier Headlands trails.
This event, with a median of around 135 finishers in recent editions, offers a true trail running experience. Runners can expect a challenging climb, as indicated by the "climbs (and climbs!)" description, leading to a rewarding descent. The race concludes back at the beach, where bountiful post-race food awaits families and friends.
With 3 editions on record and a growing field, the Mt. Tam Trail Run is an opportunity to experience the dramatic landscapes of Marin County, combining athletic challenge with the natural beauty of the California coast.
Race-provided description
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MT. TAM TRAIL RUN
10K, Half, 30K, 50K November 7, 2026 Mt. Tamalpais State Park Stinson Beach, CA
2026 Registration Will Open May 27,2026
Register Online (https://ultrasignup.com/register.aspx?did=139652)
VOLUNTEER (http://insidetrail.com/volunteer)
RACE INFO
Mt. Tamalpais is the dominating feature in Marin County. Any true trail runner who sees it wants to run up it. Here’s your chance. Our Mt. Tam Trail Run begins at Stinson Beach and climbs (and climbs!) to perched views from Tam before returning via some of the best trails the Headlands have to offer until reaching the beach and bountiful post race food. Bring the family and enjoy an afternoon with friends in the sand and surf.
Park Information: Mt. Tam State Park (https://www.parks.ca.gov/?page_id=471), Muir Woods National Monument
Logistics
Race Day
Saturday, November 7, 2026
Start Time
TBA
Start Location
3545 Shoreline Hwy, Stinson Beach, CA, 94970
Course Info
Course Type
Loop Course
Terrain
trail
Scenery
Coastal, Mountain
Surface
Dirt Trail
Difficulty
Hilly
Quality Score
Solid Pick423 years running
~135 finishers a year
growing or steady
7% returning runners
6 timing sources · 3 photos
no finisher data yet
winner 1:54:02
typical high 64°F
Race Day Weather
5-year historical avgStart (Low)
56°
Afternoon (High)
68°
Pleasant conditions — light layers at start, comfortable by finish
0.1"
Precipitation
11 mph
Wind
85%
Humidity
Historical Finish Times
How 416 finishers actually crossed the line across 3 years.
Most recent
2024
Total finishers
416
Median time
3:09:05
Latest turnout
147
States
13
Turnout by year
2022–2024
Hover the histogram to inspect specific finish times.
Race Photos
Frequently asked
When is the Mt. Tam Trail Run?
The Mt. Tam Trail Run is held on Saturday, November 7, 2026.
Where does the Mt. Tam Trail Run take place?
It takes place in Stinson Beach, California.
What distances does the Mt. Tam Trail Run offer?
The half marathon (13.1 miles).
Is the Mt. Tam Trail Run course flat and good for a PR?
The Mt. Tam Trail Run is a hilly, loop course course.
How many people run the Mt. Tam Trail Run?
HalfRuns has finish records for 416 runners who have completed the Mt. Tam Trail Run.
HalfRuns editorial — independent, no paid placement.
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