Mount Shasta Tinman Triathlon

SEP
6
2026
Race a scenic sprint tri at Lake Siskiyou in Mount Shasta on Labor Day weekend, with a short swim, 16 mile bike and 3.2 mile run. Open to individuals, relays and duathletes, the event supports Dunsmuir Rotary and local kids.
Sun 6 Sep 2026
Swim 740 Yards Run 3.2 Miles Bike 16 Miles

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Mount Shasta Tinman Triathlon : key facts

The Mount Shasta Tinman Triathlon is scheduled for 2026-09-06 in Mount Shasta, California. The event location is listed as Lake Siskiyou Camp resort and the address 4239 W A Barr Rd, Mount Shasta, CA 96067. Categories include individual sprint triathlon, individual duathlon, collegiate teams, relay sprint triathlon, and relay duathlon.

Course and distances

The triathlon course is a sprint distance with the following segments:

  • Swim 740 yards
  • Bike 16 miles
  • Run 3.2 miles

The swim begins at the Lake Siskiyou Beach and Splash Zone. The run heads east from the beach on the trail along the water. The duathlon format uses runs of 3.2 miles with a bike leg of 16.67 miles between the runs. A bike course map is available in the event course maps section.

Charity and event notes

A portion of registration is donated to the Dunsmuir Rotary Club to support Wildcat Weekender, a program that helps provide meals to children on weekends. The event takes place on the Sunday of Labor Day weekend and is described as a long-running fundraiser for the Dunsmuir Rotary Club. Registration is offered for individual and relay entries, and the duathlon and triathlon share the same fee structure. Visit the organization's website for the most recent information.

3 mi
Run 3.2 Miles
Swim 740 Yards
Bike 16 Miles

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