Idaho Mountain Trail Ultra Festival (IMTUF 100)
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Idaho Mountain Trail Ultra Festival (IMTUF 100) : 2026
The 15th annual IMTUF 100 is scheduled for September 19-20, 2026. The race starts and finishes at Jug Mountain Ranch in McCall, Idaho, and takes place in the Salmon River Mountains. The event uses the same course flow and direction as the 2020–2025 SUPERCOURSE.
Organizers describe the main event as a post-doctoral level mountain race aimed at participants with extensive experience on rugged mountain terrain. The event listing also references a shorter option labeled IMTUF 20 Mile.
Trail use for IMTUF races has been conducted with permission from land managers since 2012. Permissions are held with the Payette National Forest McCall Ranger District and the Idaho Department of Lands.
Key factual points:
- Location: Jug Mountain Ranch, McCall, Idaho.
- Date: September 19-20, 2026.
- Terrain: Salmon River Mountains, mountain trails.
- Course: SUPERCOURSE, same flow and direction as 2020-2025.
- Permissions: Payette National Forest McCall Ranger District and Idaho Department of Lands since 2012.
This description focuses on course, location, date, terrain, and land‑use permission. It does not include entry details, schedules, or contact information. Visit the organization's website for the most recent information.
