Trail Running Calendar United States 2026-2027

A backyard ultra at Lake Louisa State Park on April 10, 2027 where runners complete a 4.167 mile loop each hour until they can no longer start a loop; shirts, medals, ribbon sliders, and multiple award categories are offered.

Trail races on the Olympic Adventure Trail near Port Angeles, Washington, offering point to point 12K and half marathon plus an out and back 50K on singletrack, limited fields, cupless hydration, shuttle service, and a post-race meal.

An obstacle course race in Cumberland, Rhode Island featuring a 3.2 miles course with about 1,000 feet elevation, multiple wave formats including elite and age group competition, multilap sessions, and a 12 hours ultra option.

A loop based trail event in April at James River State Park offering 10 mile, 50K and 50 mile options plus relays. Each loop is about 10 miles with roughly 1025 feet gain, riverside sections, singletrack, two aid stations and a 16 hour limi..

A timed mountain trek at Wisp Resort offering 7, 14, 21, and 28 mile loop options with a 10 hour limit; well marked trails, optional weighted vests for bonus swag, and finishers receive a shirt, patch, and medal.

A long-running multi-distance event in Agoura Hills with half marathon, 10K, 5K, mile and multi-race challenges, scenic courses through the Santa Monica Mountains, and a post race party.

A 24 hour challenge at Shelby Farms where runners complete ten 5k segments spaced every 2.5 hours, including night running that requires illumination. Initial registration is limited to 200 with a waitlist for additional spots.

A trail marathon and half marathon in Wissahickon Valley Park on April 10, 2027, featuring technical single track trails and significant climbing. The event includes race day bib pickup, live accordion music and a post race pizza party.

A 5K run and walk at Robinette's Apple Haus and Winery in Grand Rapids on April 10, 2027. The mostly grass cross country course is chip timed and registration includes a cider pour, a homemade donut, a t shirt and a glass.

A pack burro trail race in Ridgecrest, CA on April 10, 2027 offering four distances from 5 to 26.2 miles. Teams may run with a burro or as runners only, and proceeds support California Breakfast Burritos and Forever Home Donkey Rescue and S..

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..

A family friendly 5K obstacle run at Tulsa Raceway Park on April 11 2027, featuring Adult and KIDZ Family waves. Waivers and photo ID are required for adults, spectators pay a cash festival fee and a limited launch price is listed.

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 offering 50 mile and 100 mile solo and relay options, with the 50 mile point-to-point finishing at Island Grove in Greeley. Supported course with aid stations and exchange zones.

Spring single-track trail races on the Mountains to Sea Trail near Durham, NC, offering **13 miles** and **50K** courses, cupless with aid stations, shirts, and awards.

The Fifth Street Rock Monster will take place in Mertztown on Sunday 11 April 2027. You can run between 5 and 100 kilometers.

Scenic trail races through the Columbia River Gorge staged at Marine Park in Cascade Locks, offering 100K, 50K and 30K distances, on-site Thunder Island camping, chip timing, stocked aid stations, and a $75,000 prize purse.

An endurance event in Capitan, New Mexico offering a 34 hour main challenge on four mile loops, plus 12 hour and 6 hour races. Central aid, camping, food service, and professional chip timing support are provided.

A multi-distance ultrarunning event in Columbia, Missouri featuring 24 hour solo and tag team races, 12 and 6 hour events, and a 1 hour Cub Run for youth on short loops.

A team relay in Chillicothe, Ohio on April 16 and 17, 2027 featuring trail miles with hills and varied terrain. Race profits support local Drug Free Clubs of America chapters and registration is capped at 150 teams.