Trail race guide
Mt. Tam Trail Run: date, distances, elevation, and registration
Mt. Tam Trail Run is a very hard trail race organized by Inside Trail. It offers 10K, Half, 30K, 50K distances on Saturday, November 7, 2026.
- Date
- Saturday, November 7, 2026
- Location
- Mt. Tamalpais State Park · Stinson Beach
- Distances
- 10K · Half · 30K · 50K
- Elevation gain
- 10K 1,600′ · Half 2,800′ · 30K 3,900′ · 50K 6,000′
- Difficulty
- Very hard
- Registration
- Near capacity
- Official source
- Inside Trail · Verified Aug 30, 2026
Questions about Mt. Tam Trail Run
When and where is Mt. Tam Trail Run?
Mt. Tam Trail Run is scheduled for Saturday, November 7, 2026 at Mt. Tamalpais State Park · Stinson Beach.
How do I register for Mt. Tam Trail Run?
Use the official registration button on this page. Registration, payment, waivers, transfers, cancellations, and refunds are handled by Inside Trail.
What distances are available?
Mt. Tam Trail Run currently lists 10K, Half, 30K, 50K.
Can I invite a friend?
Yes—use the prefilled text or email invitation. It includes the race date, a suggested distance, and this guide.