Burney Mountain 100

Event overview

The Burney Mountain 100 is a 100-mile endurance run in Cassel, California, scheduled for June 19, 2026. The race is a looped course that starts and finishes at Burney Mountain Guest Ranch. The course passes through Lassen National Forest, the Thousand Lakes Wilderness, and the Burney Basin. The route includes a cumulative climb and descent of about 15,000 feet and covers varied terrain such as rocky ridgelines, forest floor, and sections above the tree line. The course offers views of Mount Lassen, Mount Shasta, the Hat Creek Rim, and nearby lava flows.

Course, logistics and facilities

Course maps are available via Gaia and Caltopo. A runner's guide contains aid station, drop bag, crew, and pacer information. Dry camping at Burney Mountain Guest Ranch is provided for runners and crew for Thursday, Friday, and Saturday nights; this cost is covered by the race organiser. The ranch offers upgraded accommodation options at a discounted rate of $25 for runners. On-site amenities listed include a restaurant, salt water pool, laundry, and corn hole. A post-race meal will be provided for runners; the ranch restaurant will be open for crew and pacers. The registration deadline is June 16, 2026. The event policy states there are no refunds, but registrations may be deferred up to one week before race day and may be transferred up to one day before race start. Visit the organization's website for the most recent information.