Trail Running Calendar United States 2026-2027

A trail running event near Sisters, OR on April 11, 2027 offering 40 mile, trail marathon and 20 mile courses on Peterson Ridge and Metolius Windigo trails. The Rumble raises funds for Sisters High School Cross Country and Sisters Trails Al..

Mud Factor visits Tulsa Raceway Park on April 11, 2027 offering a 5K obstacle run with Adult and KIDZ Family waves. Early bird pricing and spectator details are provided and participants must bring a signed waiver.

A spring 2027 race weekend with a half marathon, 10K and 5K on a shaded wooded trail along the Five Mile Creek Greenway near Birmingham, Alabama, featuring chip timing, aid stations and shuttle service from a nearby campus.

Long distance races along the Poudre River Trail near Bellvue, Colorado offering 50 and 100 mile individual and relay options with aid stations, chip timing, post race awards, and a 100 mile format that combines an in person 50 with a self..

Gorge Waterfalls runs April 16 to 18, 2027 at Marine Park in Cascade Locks, Oregon, with 100K, 50K and 30K trail courses through the Columbia River Gorge. Registration opens October 5, 2026.

The 2nd Annual Superheroes for Autism 5K in Center, Texas on April 17, 2027 features a 5K run and a 1.5 mile walk, roll, stroll. Registration opens November 1, 2026; the 5K fee is $30 and the 1.5 mile option is free.

A lap race on a 2.5 mile farm loop in Reedley, California, held the weekend of April 17-18, 2027, with fixed distances, timed categories, a 100 mile option, and team relays. The course features on-course camping and fully stocked aid statio..

A women's only 10K in Auburn on April 17, 2027 that follows scenic trail loops with aid stations and age-group awards; the overall winner and four additional finishers will be selected to receive all-expenses-paid trips to a women's running..

An annual event at Arden Hills Army Training Site on April 17, 2027 featuring a 30K foot march plus 30K and 5K trail runs, with music, a business expo, and proceeds supporting veteran and military programs.

A half marathon on forested trails in Blodgett, Oregon, the Mudslinger Trail Run follows rolling hills and wooded routes and sits alongside a paired mountain bike competition with food available onsite.

Happy Trails Marathon and Half run along the Jordan River Parkway in South Jordan, Utah, starting and finishing at East River Front Park. Courses are mostly paved and include aid stations, finisher medals, shirts, free photos, and postrace..

Remote trail races at Hyner, PA offering 25K and 50K distances with strict no-refund registration rules, hard cut-offs at specific aid stations, limited spectator access, and required qualifying standards for the 50K.

Trail races of 5K and 10K at Preservation Park in Thompson's Station, Tennessee, supporting New To You, Inc; proceeds fund services for foster children and foster families may register at no cost.

A point-to-point **100-mile** trail race on the crushed-limestone Cowboy Trail from Valentine to Atkinson, capped at 150 runners with planned aid stations, live GPS tracking, and a 34-hour cutoff.

A memorial 5K trail run and 1 mile walk take place in the orchards at Robinette's in Grand Rapids on April 17, 2027. The 5K follows varied spring terrain while the 1 mile uses a firmer path and proceeds support a local family.

Timed 3 hour, 6 hour, 12 hour, and 24 hour run and ruck events on a 5.4 mile loop in south central Kentucky with a full aid station at the start finish and primitive camping on site.

A trail event at Skyline Ridge Open Space Preserve offering distances from a 50 yard kids dash to a 50K race. Routes run largely on the Bay Area Ridge Trail with ocean and Santa Cruz Mountains views.

Trail race in Palmer Park, Colorado Springs offering 50K, 25K, 10K and 5K routes on singletrack with sandstone bluffs and city views of Pikes Peak. Registration closes Apr 15.

A trail race day on April 17, 2027 in Prescott, Arizona centered at Watson Lake Park, offering five distances along the Prescott Circle Trail. Courses run through the Granite Dells with aid stations, cupless service, drop bag options, and c..

Trail race weekend near Helen, GA with marathon, a 14-mile half, a 4-mile and a kids 0.25-mile race on trails around Unicoi State Park; aid stations, pace-based cutoffs, parking at the Chattahoochee River field, and a post-race party.