Trail Running Calendar United States 2026-2027

A 24-hour endurance race on a 0.82 mile loop atop the Palmer Divide in Palmer Lake, CO. Top three awards and onsite buckles for the first 100-mile finishers; $5 from each registration supports local parks.

A backyard ultra near SP Crater in Flagstaff where competitors run a 4.167 mile loop each hour; laps repeat until only one runner completes a loop and is declared the winner.

Trail races on rocky single track in Cossatot River State Park offering 10K, a 12.5 mile half marathon, and a 25 mile marathon with notable elevation gain. The half uses a shuttle and the marathon requires a headlamp.

A one-way uphill event in Cleveland, GA covering about 2.5 miles and 1,650 feet of gain to the Yonah summit. A ruck division has minimum weights and the route includes steep, technical sections and a strict time cutoff.

Timed running event at Gallatin Valley Regional Park in Bozeman with 24-hour, 12-hour, and 4-hour options on a 1.5-mile loop. Crew support, one aid station with dietary options, limited parking, and awards for top finishers.

Midwest Everest is a multi-distance trail running event at Cannonsburg Ski Hill in Belmont, Michigan, on September 26-27, 2026. It features a 100-mile route with over 30,000 feet of elevation gain plus 50M, 20K, 10K and a Summer Everest Cha..

Trail Half Marathon and 10K through Massey Meadow in the Uinta Mountains, featuring views of Dry Fork Canyon's Flume Trail, staffed aid stations, and a cash prize when a new course record is set.

A looped trail event at Welling Ridge Trails offering distances from 4 miles to 40 miles plus a 4 person ruck relay. Rocky single track, looped course, awards include buckles for longer distances and team championship belts.

An off road 5 Miles obstacle course in Saint Charles, Iowa on September 26, 2026, hosted by Contributors Breakfast Club; the local fundraiser keeps proceeds in Iowa and lets participants help design several obstacles.

A two day running festival on the Long Beach Peninsula offering races from kids dashes to a sand marathon. The weekend includes an expo, awards across many categories, and support for local charities.

A 24-hour endurance event at Bowling Green Hot Rods Baseball Park on September 26, 2026, run on a 0.31-mile concourse loop. Solo and four-person relay formats, full overnight aid station, finishers' medals, shirts and awards including a 100..

A memorial trail event in Wilkesboro, North Carolina on September 26, 2026 offering timed 5K and 10K runs, an untimed 5K walk, and a virtual option. Chip timing and RFID-tagged bibs are used and proceeds support the American Cancer Society.

A 5K trail run or walk at Patriot's Park in Greenville on 09/26/2026 focused on community support for children and families affected by childhood cancer, with registration open 03/02/2026 and a $35 fee.

A loop endurance event at Lake Ahquabi where runners complete a 4.167 mile lap each hour until one runner completes one more lap than the rest. The course is a mostly dirt trail around the lake with aid at the start and a mid-loop station.

Experience the natural beauty of the Big South Fork National River and Recreation Area with a loop trail race featuring 17.5 mile and 10K options primarily on single track terrain.

Celebrate the 50th anniversary of this classic trail race in Helena. Experience 1,300 feet of elevation gain on single track trails with sweeping views of the Big Belt Mountains and downtown Helena.

A neighborhood 5K at The Watershed School in Fairbanks on September 26, 2026 that raises funds for the Watershed School PTSA. A pancake and sausage fundraiser at the school offers a discount for runners with bibs.

A new race in Oakley, Utah on September 26, 2026, offering five distances from a full marathon to a 5k along scenic trails and mountain views. Start and finish are at Oakley Rodeo Grounds with aid stations, music, and postrace awards.

Trail races at Natural Bridge Caverns include 4, 8 and 16 mile distances, a Youth 1 mile, and Last Person Standing run and ruck on surface loops, with cave starts for regular distances, aid stations, cave tours, and a ropes course on site.

A 10 km trail loop at Deer Valley Resort in Park City, Utah, with 1335 ft of ascent to the peak and back. Entry includes a bib, T-shirt, finish necklace, swag, a 12 week training guide, and access to a post-race festival.