The race is held on the rugged trails at Lake Sonoma, about 10 miles northwest of Healdsburg. The course is 86% single track and 9% dirt roads, with the first 2.4 miles on a paved country road. The race starts at 6:30 a.m. and has a 14-hour time limit.
Apr 13th, 2019 50 Miles
The course is an out-and-back circumnavigation of the Warm Springs Arm of Lake Sonoma. It is 86% single-track trail and 9% dirt fire roads, with the first 2.4 miles on pavement.
Course Type: Out and Back
Aid Stations: 9
Elevation: 10,500 10,500 ft.