The Marinduro returns on May 9, 2026 in Fairfax, CA. This blind enduro supports the trail building and maintenance work of Marin Trail Stewards and features a professionally timed race, post-race celebration, and some exciting new additions for 2026. Onsite camping, new youth categories, and a brand-new course. Interested in sponsoring? Contact info@marintrailstewards.org.

• What’s new in 2026

  • Camping at the race venue (Camp Tamarancho)

  • New categories: Boys 10–12 and Girls 10–12

  • New course

• Race information

  • Blind enduro format

  • Race packet includes directions to the start and course map

  • Total mileage and elevation TBD

• After the race

  • Parking lot podium party at Splitrock Tap and Wheel

  • Music, podium prizes, lunch, beers, and more

• Camping

  • Available Friday, May 8 – Sunday, May 10

  • Purchase as an add-on during race registration (fee per vehicle)

• Spectators

  • Spectators welcome and encouraged to be loud

  • Bring cowbells, horns, water guns, and your voice

  • Expect a 2–4 mile hike or bike to viewing areas