Trail Running Calendar United States 2026-2027

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.

Trail races at Bridger Bowl on June 27 include a technical 20K and a two loop 5 Mile junior race; both use chip timing and include a catered lunch and awards, with cupless aid stations on course.

A chip-timed trail race on the Crown Z Trail near Scappoose offering 5K, 10K, and half marathon distances, finisher medals, morning packet pickup at the trailhead, and shuttle service from Scappoose High School.

A 5K obstacle mud run at Eugene MX Park in Junction City on June 27, 2026, with separate Kidz Family and adult waves, specified online and day-of pricing, and required signed waivers and photo ID for adults.

A three-race trail series near Glenwood Springs, Colorado, running June 27 to September 19, 2026, with 5k, 10k and half marathon options, bib pick up at Sunlight Mountain Resort and one aid station on the half marathon course.

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 3.1 miles moonlight trail run at Lakeside Park in Pawling, NY with varied terrain, glow markers, required personal light, post run towel and a handmade finisher medal. Proceeds support 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.

A backyard ultra at Countryside YMCA in Lebanon, Ohio where runners complete 4.1667 mile loops each hour until one remains, with traditional last runner standing and fixed 12 hour and 24 hour options.

A 5K and untimed family run at Martin Marietta Hatton Quarry in Cove, AR, featuring chip timing and cash prizes for top finishers. Post-race activities include rock painting, vendors, and an off-site after party.

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.

A timed endurance event at Heritage Park in Adrian, Michigan, held on a 5K looped course. Runners choose a 3 hour or 6 hour format and complete as many laps as possible with central aid and easy gear access.

A trail running event near Issaquah, WA, with 50K, Half Marathon, 5 Mile and Kids Race options across Tiger Mountain trails, steep summit climbs, aid stations, and finish-line refreshments.

A mountain trail event at Mt. Shasta Ski Park on June 27, 2026, offering three courses from 4 to 15 miles, professionally timed with fully supported aid stations and on-site Community Day activities.

Out and back full and half marathons near Kinlichee, Arizona, routed along gravel roads and Navajo sandstone canyons. The event features multiple water stations, medical support at key points, and chip timing for results.

The Run the Hollow / Trail & Target will take place in Altoona on Saturday 27 June 2026. You can run between 4 and 10 miles.

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.

Team-based charity challenge in Bristol, NH on June 27, 2026 where teams of 6 to 12 complete Special Forces style stations at Recruit or Operator levels while fundraising supports veterans and first responders.

Trail runs at Rocky Ridge County Park near York, PA offer looped courses up to 50K on rocky, rolling terrain with several steep climbs. Registration and shirt deadlines apply and proceeds benefit a local charity.

A backyard ultra in Richfield, UT on June 27 2026 where runners do 6.55 mile loops every 90 minutes for up to 24 hours. Milestone distances range from 10K to about 100 miles and entry fees vary by intended laps.