Trail Running Calendar Idaho 2026-2027

A point to point 50K on the Weiser River Trail from Council to Midvale, Idaho, with relay and adaptive athlete options. The route follows a former railroad bed with mixed surfaces and minimal elevation change.

Celebrate and protect nature at City Beach in Sandpoint with a 5 mile run or walk along the Ponderay Bay Trail benefitting local wildlife conservation.

A trail event near Riggins, Idaho with a 53K ultra, a 26K loop and an uphill-only vertical to Challenger Peak. The 53K includes roughly 13,000 feet of climbing while the 26K offers about 6000 feet of elevation gain.

The ninth annual Over The Top Trail Race on May 9, 2026 takes place on singletrack in Pocatello's City Creek Trail System. Multiple distances from 5 km to 30 km follow routes with overlooks, wildflowers, climbs and switchbacks.

Experience a mountain running event in Idaho featuring distances from 23 miles to a 100 mile ultra. Navigate technical trails with significant vertical gain while supporting environmental conservation and community inclusivity.

Sharlie Shuffle on June 6, 2026 at Ponderosa State Park offers six and twelve hour timed trail runs on a 4.79 mile loop while raising funds for local trail work.

Trail marathon and half marathon on Boise's Ridge to Rivers Trail System featuring single track, significant climbs and fast descents. Multiple aid stations are placed along each course and a shirt order cutoff is May 30.

A community running event at Ponderosa State Park offering a Kids Mile plus 5 Mile and 7 Mile run or walk on mixed paved and trail surfaces.

Race the Wolf is a two day mountain trail event at Schweitzer Mountain Resort offering marathon, half marathon, a 5 mile trail and a Sky Climb with well marked courses, aid stations and high alpine views.

Trail ultramarathons around Challis, Idaho offering 32K, 55K and 108K on high-elevation mountain routes with multiple aid stations, crew access, wildlife, and a finish down Main Street into Challis City Park.

Experience a three event summer trail series at Bogus Basin Ski Resort featuring 4 to 6 mile races on scenic singletrack trails with Grand Prix style scoring.

Trail races near Burgdorf Hotsprings on alpine singletrack offering 30K and 50K routes. The 30K gains about 3500 feet on a clockwise Bear Pete loop; the 50K adds Willow and Jeanette Creek and a climb of Crystal Mountain.

Mountain trail races at Brundage Mountain Resort near McCall, ID, offering a 10K ascent and return to the summit and a 5K downhill from the summit. Entries include a logo item and lift access; aid station and plaza festivities are provided.

Experience a true mountain race through the rugged high altitude terrain of Idaho and Montana. Choose between 100 km and 55 km courses featuring steep descents and technical single track trails.

Part of the Palouse Road Runners Summer Series, the Donut Dash 10k on July 11 invites solo runners and teams to complete six one mile loops while consuming one of six supplied donuts each loop. A $10 team fee helps cover donuts and supports..

Experience Idahos highest trail race in the rugged Pioneer Mountain range. This high altitude event offers individual distances of 30k 60k and 100 miles through stunning central Idaho wilderness.

Standhope 100 is a 100 mile trail race in Idaho's Pioneer Mountains on 25 and 26 July 2026. The route includes over 23,000 feet of climbing, remote stretches with 12 aid stations, and finishers receive a buckle and a race shirt.

A two-day trail festival at Bogus Basin featuring a Hill Climb plus 5 mile and 10 mile trail races, with proceeds benefiting Ridge to Rivers and the 10 mile serving as the USATF Snake River regional championship.

A point to point trail run near Twin Falls, Idaho, the Outlaw is about 1.4 miles longer than a standard half marathon and runs mostly downhill from Diamondfield Jack Campground to Third Fork Campground. The field is capped at 200 runners.

A casual 6.2 mile trail loop on Moscow Mountain starting and ending at the Warnick Road parking area, featuring over 800 feet of climbing. Part of the Palouse Road Runners Summer 10k series.