Trail Running Calendar United States 2026-2027

A 12 hour or 24 hour solo or team endurance event at Oak Mountain State Park where athletes log as many triathlon, duathlon, aquabike or single discipline laps as possible within the time limit.

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.

An overnight lap race in Reedley, California, held around the full moon. Options range from 12K and timed 6, 12, and 24 hour categories to 100 miles, plus 2 to 4 person relays, camping, and full aid station support.

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 through the Tum Tum unit of Starker Forests near Blodgett, Oregon, held as part of the Mudslinger Festival. The event is limited to 100 runners, uses marked trails, includes age group awards, and offers combined scoring with..

A scenic marathon and half marathon along the Jordan River Parkway in South Jordan, planned for April 2027. Mostly paved trails, locally made finisher medals, stocked aid stations, free race photos, and limited field sizes.

A trail running event in Hyner, Pennsylvania on April 17, 2027 offering 25K and 50K courses organized by PA Trail Dogs. The race has strict registration rules, firm cutoffs, limited spectator access, and specified bib pickup windows.

Trail races in Thompson's Station, TN supporting New To You, Inc., with 5K and 10K options on marked trails. The event is dog friendly and donates 100% of proceeds to help local foster children; foster families register free.

Cowboy 100 on April 17, 2027 is a 100 mile point to point trail race on the crushed limestone Cowboy Trail from Valentine to Atkinson, NE, 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 ultraloop races and ruck events on a 5.4 mile loop in Parksville, Kentucky, with individual, relay, and ruck divisions. Full-service aid station, cup free policy, chip timing, and on site primitive camping.

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.

Rattler Trail Race in Palmer Park, Colorado Springs on April 17, 2027 offers 5K, 10K, 25K and a 50K two loop course on singletrack with sandstone bluffs, technical sections and views of the city and Pikes Peak.

Trail races around Watson Lake and the Prescott Circle Trail offering distances from 10K to 92K. Courses pass through the Granite Dells with marked trails, regular aid stations, and a cupless race policy.

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.

A 100K Cumberland Trail out-and-back near Soddy Daisy, TN, with about 12,000 feet of climbing, three outbound aid stations, a required gear list, and pacer options from the halfway turnaround.

Loop The Hooch stages 50K solo, 25K solo, and a 50K team relay on a flat 5 km loop along the Chattahoochee River in Suwanee, GA, with a stocked aid station and timing chips for relay runners.

A 50K trail race on Northern California’s Mendocino Coast, starting at Big River State Beach and passing river, ocean, redwood and waterfall scenery. Races are listed in April with recent dates including 2025 and 2027.

The VUE is a Sedona trail race weekend with five distances across Westside single track and red rock terrain. The event features a post race vendor village and awards, and it emphasizes Leave No Trace practices and local partnerships.