RunRace USA › California › The Big Alta
The Big Alta
Marinwood, California · Friday, March 19, 2027 · 50K
Official race page & registration ↗The Big Alta takes place on Friday, March 19, 2027 in Marinwood, California. The race is run over 50K. For anyone travelling in, San Rafael is about 4 miles away and San Francisco is about 19 miles away.
It is one of 103 races on the California calendar that March. Unusually for a race, it falls on a Friday.
- Date
- Friday, March 19, 2027
- Location
- Marinwood, California
- Distances
- 50K
Listing from the 2027 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Marinwood: check in Mar 18, out Mar 20.
Common questions
When is The Big Alta?
The Big Alta is scheduled for Friday, March 19, 2027.
Where is The Big Alta held?
The Big Alta is held in Marinwood, California. It is about 4 miles from San Rafael and 19 miles from San Francisco.
What distances does The Big Alta offer?
The listed distances are 50K.
How do I register for The Big Alta?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- May 29China Camp Trail RunSan Rafael, CA
- Nov 8Ross Turkey Trot 2026Ross, CA
- Mar 12The Rattlesnake Ramble 5K/10K/Half Marathon (live or virtual)Santa Venetia, CA
- Dec 5Peacock Gap Trail RunSan Rafael, CA
- Oct 31Larkspur Landing parkrunLarkspur Landing, CA
See every race on the California calendar, California Ultras, or use the Race Finder for maps and filters.