Miwok 100K

🌄 Miwok 100K Overview

The Miwok 100K is one of the most beautiful and iconic trail ultramarathons in the world. The course is hilly (11,800 feet of gain) but runnable, with spectacular views of San Francisco and the Golden Gate Bridge, Sausalito, Mount Tamalpais, the ancient redwoods and the Point Reyes National Seashore.

🏞️ Course Details

• Trail Type: Single-track trails and dirt roads with about a mile of paved road.
• Location: Less than an hour from San Francisco, starting/finishing in Stinson Beach.
• Scenery: Stunning views including Mount Tamalpais and ancient redwoods.
• Support: Excellent course marking and top-notch volunteers.

🏅 Participant Experience

Course marking is excellent, and you’ll be supported by some of the best volunteers on a race course anywhere. We hire professional medical for all aid stations for those occasional skinned knees and such. Our 2026 runners will receive a custom Miwok 100K finisher’s medal and a Miwok 100K mug.

🤝 Team Relay

100K Team Relay is also back for 2026.

🗓️ Registration Options

We have 3 options for you to participate in our event:

• Option 1: Miwok 100K on May 2, 2026 (When the race is full, you will be placed on a Waitlist. Your card will not be charged until you are offered a spot, and accept it. Registered runners who drop prior to February 1 will receive a $110 (40%) refund.)
• Option 2: Miwok 100K on May 2, 2025, PLUS an 18 week training plan from coach Race Director Magda Boulet.
• Option 3: Miwok 100K Team Relay on May 3, 2025 (must have 4 participants per relay).

📋 Registration Reminder

Please make sure you sign up for the correct event!

🔗 More Information

For additional details, please visit the official race page: Miwok 100K Race Page.