Trail Running Calendar Idaho 2026-2027

Timed ultrarunning at Eagle Island State Park on a 2.5 mile dirt loop, offering fixed-time events, a 100 mile option, and a relay for teams up to five runners with aid stations each lap.

Trail races around North Menan Butte in Menan, Idaho offer four distances across volcanic terrain. Routes cross rims and slopes with sand, slick rock and sage brush for a varied trail experience.

A 50K point to point run along the Weiser River Trail from Council to Midvale, with a 50K relay for teams of 2 to 5. The converted railroad bed features stony ballast, dirt and some paved crossings with minimal elevation change.

Community Earth Day in Sandpoint with a 5 mile run/walk and an 8K run/walk along the Ponderay Bay Trail. Vendor stalls take place at City Beach Park and proceeds support local parks and wildlife conservation.

Trail races in the Seven Devils near Riggins, Idaho, including a 53K ultra, a 26K loop, and a steep vertical summit race with significant elevation gain and on-course aid stations.

A trail race in Pocatello, ID on May 9, 2026 with 5K, 10K, a trail half marathon and a 30K on City Creek singletrack. Route updates and an updated map reflect new measured distances, with rollovers allowed and no bib transfers.

A two day trail ultramarathon near Pocatello, Idaho offering four distances from 23 miles to 100 miles with substantial mountain ascent. The event highlights environmental stewardship and reserves at least half of entries for women, femme a..

Trail marathon and half marathon in Boise on the Ridge to Rivers Trail System with single-track and dirt road sections, big climbs, and aid stations. A $100 prize awaits the first man and woman up the Hard Guy climb.

A weekend mountain trail event in Sandpoint, Idaho on June 20 and 21, 2026 offering marathon, half marathon, a 5 mile trail run and a Sky Climb; entry fees vary by event with noted price increases in February and May.

Trail ultramarathons in Challis, Idaho offering 32K, 55K and 108K courses with mountain climbs, mixed trail surfaces and multiple aid stations. Crew access and a final mile into town are part of the race experience.

Three evening trail races at Bogus Basin on June 26, July 10 and July 24 with single track courses of about 4 to 6 miles, Grand Prix style scoring, and bundle discounts plus a customized hat for participants.

Point to point mountain trail races near Salmon, Idaho following the Continental Divide Trail. Distances of 100K and 55K include high elevation terrain and technical sections; the 100K is a Western States qualifier and both are UTMB qualifi..

Set in Idaho's rugged Pioneer Mountains, the Standhope Ultra Challenge features high-altitude 100-mile, 60K, and 30K trail races. With remote, technical terrain and significant elevation gain, it's a demanding backcountry adventure. Finishe..

Standhope 100 is a 100 mile mountain trail race in Idaho on 25 to 26 July 2026, with over 23,000 feet of climbing through the Pioneer Mountains, long sections between aid, spot trackers, and remote backcountry conditions.

Two days of trail events at Bogus Basin featuring a steep hill climb, a 5 mile race, and a 10 mile race that climbs over 2,000 feet. Proceeds support Ridge to Rivers and 5 and 10 mile finishers receive a shirt and medal.

Course Description The Outlaw Trail Ultra Half Marathon is a point-to-point race. The route begins high up at the Diamondfield Jack Campground and runs north, finishing at the Third Fork Campground. The course is described as mostly downhil..

This two day trail run event at Idaho's Silver Mountain Resort features a 2 mile race on Friday and a 13k run/hike on Saturday. Participants ride the gondola to the start at the mountain top. The weekend also includes vendors and other reso..

The Foothills XC12K is a trail race in the Boise Foothills on August 22, 2026. It features 12K and 5K cross-country courses starting at the Military Reserve. Event proceeds support the Bogus Basin Nordic Team.

IMTUF 100 is a mountain ultra near McCall, Idaho offering 100 mile and 20 mile courses from Jug Mountain Ranch. The event is a Hardrock 100 and Western States 100 qualifier and follows the same routes used in past years.

A fall trail event in Pocatello, Idaho offering 100 km, 60 km, 20 km and a kids race on looped single track with significant elevation gain, aid stations, timing and category awards.