Headwaters Trail Runs
Mount Shasta, United States • 20 Jun 2026
Event overview
Headwaters Trail Runs is a set of three trail races held in the Klamath Mountains west of Mount Shasta City, California. The event is based near Box Canyon Dam and Lake Siskiyou and takes place on trails that include the Lake Siskiyou Trail and sections of the Sisson-Callahan National Recreation Trail. The nearby peaks include Mt. Shasta (14,179 feet) and Mt. Eddy (9,025 feet).
Distances
- 52K
- 34K
- 10K
Courses and on-course services
The 52K and 34K are loop courses run on single-track trails and dirt forest roads, with approximately 8,000 feet and 4,000 feet of elevation gain respectively. The 10K follows the Lake Siskiyou Trail with about 400 feet of total gain. The races use fully stocked aid stations. The event is cupless; runners must carry a personal drinking vessel for aid-station refills.
Registration, awards, and organization
Registration fees include race entry, a race t-shirt, a finisher's medal, and a post-race meal prepared by a local chef. Awards are given to the top three overall females and males and to the top three females and males in each 10-year age group. The event is organized by a volunteer staff under the Associated Charitable Resource of Southern Siskiyou (ACROSS), is permitted by relevant land managers, and donates a portion of proceeds to the Mt. Shasta High School cross-country team. Registration opens on January 1, 2026. Visit the organization's website for the most recent information.