Race library · California
Marin Ultra Challenge 50K
Course from the race GPX; cutoffs as published by the race
- Saturday, March 13, 2027
- Sausalito, CA
- 30.2 mi (48.7 km)
- 6,651 ft of climb
- Start 6:00 AM
- 5 aid stations
Aid stations and cutoffs
| # | Aid station | Mile (km) | Cutoff | Crew access | Drop bag |
|---|---|---|---|---|---|
| 1 | Conzelman | 5.6 mi 9.1 km | 8:52 AM | Yes | No |
| 2 | Tennessee Valley | 10.2 mi 16.4 km | 10:25 AM | Yes | Yes |
| 3 | Muir Beach | 14.3 mi 23.0 km | 11:45 AM | Yes | No |
| 4 | Muir Beach (2nd visit) | 21.0 mi 33.8 km | 2:00 PM | Yes | No |
| 5 | Tennessee Valley (2nd visit) | 25.9 mi 41.7 km | 3:35 PM | Yes | Yes |
Course notes
Starts at Rodeo Beach and traverses the Marin Headlands. The 50 mile has about 11,000 feet of gain.
Links
Official race website Registration
Plan this race freeTerrain adjusted splits, cutoff buffers and fueling for every leg, shared with your crew.