Mt. Tam Trail Run

Mt. Tam Trail Run

Mt. Tam Trail Run is a trail race held in Stinson Beach, California on November 7, 2026. The event offers multiple distances that start at the beach, climb to viewpoints on Mt. Tamalpais, and return via trails in the Headlands to the beach and post race food.

Distances:

• 50K
• 30K
• Half Marathon
• 10K

The event has a total capacity of 500 runners across all distances. Parking is available within the Stinson Beach Day Use Area at no charge; carpooling is encouraged. There is an 8.5 hour time limit for the 50K race.

Aid stations supply a variety of foods and beverages such as energy gels, chews, stroopwafels, trail mix, potatoes with salt, cola, Skratch Hydration mix, water, and fruit. Aid stations include basic first aid items but do not provide anti inflammatory medicine. Skratch Hydration is mixed to provide 80 to 100 calories per 20 fluid ounces. Runners are strongly encouraged to carry at least one 20 ounce bottle.

Awards include overall trophies for top three male and female finishers and a 50K prize purse with cash awards for the top three. All finishers receive a custom medal and 50K finishers receive a pint glass. To be guaranteed a race shirt and size, registration must be completed by October 24, 2026. Entry fees are non refundable; partial credit rules apply for cancellations made at least three weeks before the event. Visit the organization's website for the most recent information.