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The Marin Ultra Challenge, our premier Marin County long distance trail race, delivers ample hills and sweeping descents. 2025 marks the 12th edition of this tour of some of Marin’s best trails. Meticulous effort went into the design of each course for the MUC; both distances are physically demanding (the 50 Mile has just about 11,000 feet of elevation gain) and exceptionally beautiful. The journey begins at the black sands of Rodeo Beach, and traverses the Marin Headlands, Stinson-facing Mt. Tamalpais and Muir Woods, exhibiting a range of terrain, from exposed fire-roads with incredible coastal and inland views to tight, technical single-track with redwood canopies. There is very little trail overlap, and Jim Vernon, from The Endurables and Hydrapak, spent hours and weekends developing these spectacular custom courses–we are super excited to show it off. You’ll quickly realize why Marin County has become the ultimate trail runner’s destination.
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Event Venue & Nearby Stays
Marin Ultra Challenge - Rodeo Beach, Sausalito, United States
Tickets
