Mount Shasta Tinman Triathlon
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Event overview
The Mount Shasta Tinman Triathlon is scheduled for 6 September 2026 at Lake Siskiyou, near Mount Shasta, California. The event location is listed as 4239 W A Barr Rd, Mount Shasta, CA 96067, at Lake Siskiyou Camp resort about 3 miles SW of the central Mount Shasta exit on Interstate 5. A portion of registration fees is donated to the Dunsmuir Rotary Club to support Wildcat Weekender, a program that helps provide weekend meals for children.
The event includes individual and team categories: Individual Triathlon Sprint, Individual Duathlon, Collegiate Teams, Relay Triathlon Sprint, and Relay Duathlon.
Course and distances
- Swim - 740 yards
- Bike - 16 miles
- Run - 3.2 miles
The swim begins at Lake Siskiyou Beach and Splash Zone. The run follows a trail east from the beach along the water. The duathlon format is Run 3.2 miles, Bike 16.67 miles, then Run 3.2 miles. The bike route is available in the event course maps. Visit the organization's website for the most recent information.