Headwaters Trail Runs

JUN
20
2026
Choose from scenic 52K, 34K, or 10K trail runs around Lake Siskiyou beneath Mount Shasta, featuring single track trails and big mountain views. Fully stocked aid stations, finisher medal, race tee, and a post race meal round out the experience.
Sat 20 Jun 2026
52 kilometers 34 kilometers 10 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

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.

52 km
52k
34 km
34k
10 km
10k