Trail Running Calendar Idaho 2026-2027

We have found 32 Trailruns in Idaho. Check below where and when you can find the races.

A flat, timed endurance run on a scenic 2.5-mile loop in Eagle Island State Park near Boise. Choose from multiple timed events, a 100-mile race, or a team relay. The course is a fast dirt trail along the Boise River.

April 2026

Challenge yourself on the slopes of an extinct volcano at the Spitfire Ultra Trail Challenge. This event near Menan, Idaho features four distances across sand, rock, and sagebrush terrain. The run takes you around the butte's sides, along i..

Run a scenic 50K point-to-point course on the flat Weiser River Trail from Council to Midvale. Choose the solo ultra or team up for a 2-5 person relay along the converted railroad bed. A shuttle from the finish and a post-race meal are prov..

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.

May 2026

The Heavens Gate event in Riggins, Idaho features a rugged 53K ultra, a classic 26K loop, and a Friday vertical race. It takes runners through the Seven Devils mountains with significant elevation gain. The vertical race is free for main ev..

Explore the scenic Over the Top singletrack trails near Pocatello. Choose from four distances, including a new 5K, 10K, half marathon, and a tough 30K loop. This community event celebrates spring running on beautiful, flowy trails.

June 2026

Experience a weekend of trail running in the beautiful mountains of Pocatello Idaho with distances ranging from 23 miles to 100 miles. This event highlights environmental conservation and inclusivity while navigating challenging mountain te..

Dirty Dog Trail Marathon and Half Marathon The event takes place on June 13, 2026, in Boise, Idaho. It features trail running races on the Ridge to Rivers Trail System in the Boise foothills. The event marks its tenth year. The marathon and..

Celebrate the 49th year of this family-friendly run in McCall. Choose from a kids' mile, a 5-mile, or a 7-mile course on mixed terrain inside Ponderosa State Park. Top finishers in each distance receive awards.

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.

Explore Idaho's remote backcountry on these point-to-point and loop courses starting in Challis. Runners choose between 108K, 55K, and 32K distances, finishing with a celebratory run down Main Street. The event is crew-friendly, with aid st..

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.

The McCall Trailrunning Classic offers 50K and 30K races on alpine singletrack loops in Idaho's Payette National Forest. The start/finish is at Pete Creek Trailhead near Burgdorf Hotsprings. This is the 15th annual edition of the event.

July 2026

Run a sweet 10K solo or with a team in Moscow, Idaho. The catch? You must eat a donut before each loop. The race starts at the Palouse-Clearwater Environmental Institute.

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.

Event Overview The Standhope 100 is a 100-mile endurance trail run held on July 25-26. It is described as Idaho's highest trail race, taking place in the remote Pioneer Mountains. The course covers over 23,000 feet of climbing across remote..

A weekend of trail races at Frontier Point Lodge in Boise on July 31 and August 1, 2026. Choices include a 5 mile course, a 10 mile course with over 2,000 feet of climbing, and a steep hill climb to Shafer Butte.

August 2026

Race Details The Outlaw Trail Ultra Half Marathon takes place on a Saturday in August. The event has a participant limit of 200 runners. The course is a point-to-point trail run that is mostly downhill. It starts at Diamondfield Jack Campgr..

Take on the trails of Moscow Mountain in this summer 10k. The loop course features over 800 feet of climbing for a challenging run. It's a casual, community-focused event as part of the PRR summer series.

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..