The Big Alta
Event date
March 19, 2027 (Friday) - March 21, 2027 (Sunday)
City
San Rafael
Distances
28K, 50K, 100K
Trail
Organizer
Region
Marin County
Course and event highlights
- The 50K is Friday, March 19; the 100K is Saturday, March 20; the 28K is Sunday, March 21.
Registration
The 100K uses a waitlist; check 50K and 28K availability separately.
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Report an issue
Please check the organizer's pages for the most up-to-date information.