Trail Running Calendar United States 2026-2027

Experience a weekend of outdoor sports at McDougal Lake with trail runs and mountain bike races ranging from 4 to 32 miles. Compete for podium spots or enjoy the party lap at this multi discipline trail festival.

Test your endurance on a 2 mile paved loop at the Rodale Park 12 Hour Challenge. Cycle, run, or walk to support the development of the September 11th National Memorial Trail.

A 20K trail race at Bridger Bowl with technical single track and cupless aid stations, a four hour cut off, chip timing, a race shirt and catered lunch; packet pickup is available the day before and race morning.

Trail race on June 27, 2026 in Chapman, Oregon with 5K, 10K and half marathon courses from Ruley Trailhead. Chip timed event with packet pickup the day before and shuttles from Scappoose High School to the trailhead.

Mud Factor returns to Eugene MX Park on June 27, 2026 with a 5K obstacle run offering Kidz Family and adult waves, required signed waivers, and spectator festival access with a $10 cash admission for adults.

A three-race trail series at Sunlight Mountain Resort in Glenwood Springs from June to September 2026, featuring 5k, 10k and a half marathon. Each event has specific bib pickup, registration rules, and course support details.

A 30K trail race at Mount Airy Forest in Cincinnati made of three 10K loops. Finishers receive a t-shirt and medal; the race counts toward the Alpine Trail Race Series and awards series points.

A night 5K at Lakeside Park with mixed trail terrain, reflective markers, and required personal lighting; finishes receive handmade medals and proceeds benefit the Pawling Recreation Department.

Alderfer 5K Trail Race at Alderfer Ranch in Evergreen Colorado is a 5 km trail event with shuttle service from Wulf Rec Center. The course is cup free with no aid stations, and water and refreshments are available at the venue.

Empower Backyard Ultra in Lebanon, Ohio on June 27, 2026 features hourly 4.1667-mile loops on wooded trails, a night bike-path out-and-back, and fixed 12-hour and 24-hour backyard events with a 150-runner capacity.

Riggs CAT Rock N Run 5K on June 27, 2026 at Martin Marietta Hatton Quarry in Cove AR features a chip timed 5K, an untimed family fun run, cash prizes for top finishers and post race activities including rock painting and a vendor area.

A community trail event in Fayetteville combining a 1K adaptive dash for families affected by autism and a 5K loop through Kessler Mountain, organized by Mitchell’s Mountain to support local services and accessible trail development.

Timed endurance races on a 5K loop at Heritage Park in Adrian Michigan offering 3 hour and 6 hour formats, central aid stations, organized registration, finisher recognition and a post event gathering.

Trail races of 5 mile, half marathon and 50K through Tiger Mountain State Forest near Issaquah, WA. The half and 50K routes climb two of Tiger Mountain's peaks and include substantial elevation gain.

Trail run at Mt. Shasta Ski Park featuring long and short courses that focus on sustained climbing and flowing descents. The day includes Community Day activities such as chairlift rides, food, and guided post run yoga.

A full and half marathon in Kinlichee, Arizona on June 27, 2026, following an out and back course along Highway 264 through Navajo sandstone canyon and local wash. Water stations and medical support are provided.

Trail races through a private deer preserve in Altoona, AL on Jun 27, 2026 offering two, four and ten mile looped divisions. The ten mile division includes three one-shot target stages with time penalties for misses.

A community 5k on June 27, 2026 in Carrier Mills, Illinois offering a 5k run and a 5k walk to support the local cross country team, with registration fee of $25, a T-shirt deadline of June 13, and awards for top finishers.

A charity team challenge on June 27, 2026 in Bristol, NH that recreates Special Forces mission tasks. Teams of 6–12 choose Operator or Recruit levels, with awards for top teams, MVPs, fundraising leaders, and participant milestones.

Trail races at Rocky Ridge County Park near York, PA on June 27, 2026 offering 50K, 33.3K, 16.7K and 10K over rocky, rolling terrain with significant climbs. Registration closes June 23.