Headwaters Trail Runs

JUN
20
2026
Choose from three scenic trail races near Lake Siskiyou with sweeping views of Mt. Shasta and Mt. Eddy: 52K, 34K, and 10K over single track and forest roads. Expect challenging terrain, finisher swag, and a local post race meal.
Sat 20 Jun 2026
52 kilometers 34 kilometers 10 kilometers

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Headwaters Trail Runs : Mount Shasta, CA

Headwaters Trail Runs offers three trail races in the Klamath Mountains west of Mount Shasta City, CA. The events start near Box Canyon Dam and Lake Siskiyou. The backdrop includes Mt. Shasta (14,179 ft) and Mt. Eddy (9,025 ft). The races take place on single-track trails and dirt forest roads and include miles on the historic Sisson-Callahan National Recreation Trail.

Distances, courses, and logistics

  • 52K - mountainous loop course on single-track and dirt roads; about 8,000 feet total elevation gain.
  • 34K - mountainous loop course on single-track and dirt roads; about 4,000 feet total elevation gain.
  • 10K - run on the Lake Siskiyou Trail around the lake; about 400 feet total gain.

The event is cupless; participants must carry a means to drink at aid stations. Aid stations are described as fully stocked. 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 female and male finishers and to the top three female and male in each 10-year age group. The event is organized by the Associated Charitable Resource of Southern Siskiyou (ACROSS) and run by volunteer staff. A portion of proceeds is donated to the Mt. Shasta High School Cross-Country team. Visit the organization's website for the most recent information.

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