Race library · California
The Big Alta 100K
Details as published by the race; the course track is on its way
- Saturday, March 20, 2027
- San Rafael, CA
- 62.1 mi (100.0 km)
- Start 6:00 AM
- 9 aid stations
Aid stations and cutoffs
| # | Aid station | Mile (km) | Cutoff | Crew access | Drop bag |
|---|---|---|---|---|---|
| 1 | AS1 Rodeo Beach | 6.7 mi 10.8 km | none listed | Yes | No |
| 2 | AS2 Muir Beach | 12.6 mi 20.3 km | none listed | No | Yes |
| 3 | AS3 Cardiac Hill | 19.8 mi 31.9 km | none listed | No | No |
| 4 | AS4 Stinson | 22.8 mi 36.7 km | none listed | Yes | Yes |
| 5 | AS5 East Peak | 31.1 mi 50.1 km | none listed | No | No |
| 6 | AS6 Lagunitas | 36.7 mi 59.1 km | none listed | Yes | Yes |
| 7 | AS7 Azalea Hill | 40.0 mi 64.4 km | none listed | No | No |
| 8 | AS8 Fox Hollow | 49.1 mi 79.0 km | none listed | Yes | Yes |
| 9 | AS9 Big Rock | 53.3 mi 85.8 km | none listed | No | No |
Course notes
Freetrail and Daybreak Racing event in Marin County.
Links
Official race website Registration
Register with the raceThe free pacing plan opens here once the course track is in the library. Racing it before then? Import the race's GPX in the app and plan from that.