Trail Running Calendar Idaho 2026-2027

We have found 38 Trailruns in Idaho. Check below where and when you can find the races.

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.

June 2026

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.

A timed loop trail fundraiser at Ponderosa State Park near McCall, Idaho, with six and twelve hour options, a 4.79 mile loop, varied single-track terrain, and proceeds supporting local park trails.

A trail marathon and half marathon on June 13, 2026, in the Boise foothills using Ridge to Rivers trails. Courses include single-track sections, big climbs, staffed aid stations, and a $100 reward at the top of the Hard Guy climb.

A community run at Ponderosa State Park offering a 1 mile kids race plus 5 mile and 7 mile run or walk, with mixed paved and trail courses and awards for top finishers.

A community 10k on Moscow Mountain via the Headwaters Trailhead, just over 5 miles with about 700 ft of climbing. The run is free with donations welcome, followed later by Camp Moscowanna, a summer camp themed block party in downtown Moscow..

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.

Mountain ultraruns near Challis, Idaho on June 20, 2026 offering **108K**, **55K**, and **32K** courses over high alpine trails with aid stations, crew access for longer distances, and a final mile into Challis City Park.

A three-race trail series at Bogus Basin in Boise with Grand Prix style scoring and male and female winners. Courses range from 3.5 to 4.5 miles and packet pickup is offered before each race.

Mountain trail races near Burgdorf Hotsprings in McCall, ID offering 30K and 50K alpine singletrack loops, with the 30K gaining about 3500 feet and the 50K adding Willow and Jeanette Creek Trails plus a Crystal Mountain climb.

July 2026

Mountain trail races at Brundage Mountain Resort near McCall, ID, offering a *10K* uphill and return route and a *5K* downhill from the summit. The event includes summit views, an aid station, live music, and an included lift ticket or ride..

On July 11, 2026 the Beaverhead Endurance Runs stage two mountain trail races near Salmon ID, Leadore ID and Dillon MT. The program includes a 62.1 mile 100k and a 34 mile 55k over rugged, high altitude single track and boulder terrain.

A 10 km solo and 10 km relay in Moscow, ID with six loops and a box of six donuts per team; runners eat one donut before each loop on PCEI trails. Leave no trace rules apply and registration closes July 9.

Trail ultraruns in the Pioneer Mountains of Central Idaho offering 100 mile, 60K and 30K distances over rugged terrain. The two day event is noted for scenic views, steep climbs and long descents.

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.

Two days of mountain trail racing at Bogus Basin with an uphill Hill Climb, 5 mile and 10 mile races, community fundraising for Ridge to Rivers, and a youth discount through the Youth Trail Initiative.

August 2026

A point to point trail run about 1.4 miles longer than a half marathon, mostly downhill from Diamondfield Jack Campground to Third Fork Campground. Field capped at 200 runners with one aid station and recommended personal hydration.

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.

Boise Spartan Trifecta Weekend in Payette, Idaho features Sprint, Super and Beast obstacle races across rugged high desert terrain. The program also includes a kids race, an obstacle workshop, a 4 hour Hurricane Heat and spectator access.

A Last Man Standing race on a **1.1 mile** loop near Inkom, ID, with about 240 ft of elevation gain per lap. Runners must complete each loop within 20 minutes and laps repeat until only one runner remains.

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