Trail Running Calendar United States 2026-2027

A Last Person Standing backyard ultra near SP Crater in Flagstaff, AZ where runners repeat 4.167 mile loops every hour until a single finisher remains. Each loop must be completed within the hour and results record distance covered.

A trail event in Cossatot River State Park near Wickes, AR with 12.5- and 25-mile courses on rocky, rooty single-track and substantial elevation gain. Aid stations, finisher medal, and race tee available if ordered by Sep 5.

Uphill race to Yonah Mountain summit in Cleveland, Georgia covering about 2.5 miles and 1,650 feet of ascent. A ruck division requires 15 lb for women and 20 lb for men.

A fixed time running event at Gallatin Valley Regional Park in Bozeman with a 1.5 mile loop and 24, 12, and 4 hour options. One aid station on course, crew support allowed, and awards for top finishers.

A multi distance trail event at Cannonsburg Ski Hill in Belmont, Michigan, featuring 100 mile and 50 mile everesting loop ultras plus 10K and 20K races with significant elevation gain and on course aid stations.

Trail loop races at Massey Meadow feature a half marathon and a 10K through Dry Fork Canyon with Flume Trail views, measured aid stations, elevation gain, and a cash prize for new course records.

A loop based trail event at Welling Ridge Trails offering multiple distances plus a ruck relay, a surprise bonus mile, and a rock carrying challenge; on course aid, food, chip timing, and awards are provided.

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 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 backyard ultra at Lake Ahquabi State Park where runners complete repeated 4.167 mile laps every hour until one runner completes one more lap than everyone else. The loop runs through wooded trail with aid stations and on-course restrooms.

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 multi-distance road and trail event at Oakley Rodeo Grounds on September 26, 2026, featuring marathon, 19.65 mile Merikós, half, 10k and 5k courses with aid stations, on-course bathrooms, parking, and route GPX files.

Trail races at Natural Bridge Caverns offer 4, 8 and 16 mile options plus Youth 1 Mile and Last Person Standing run and ruck divisions, featuring a cave start, marked loops, aid stations and a cupless, Leave No Trace approach.

A women-focused mountain trail race at Deer Valley Resort in Park City, Utah, featuring a 10 km loop with about 1,253 ft of gain, two aid stations, scenic single-track descents, and an after-party with a vendor village.

Experience the scenic single track trails of Matanuska Lakes State Recreation Area with distances ranging from a kids run to a 50K ultra. Runners receive a finisher mug after navigating this forested Alaska course.

Explore the scenic trails of Carson Valley with 10k, 5k, and free 2k family options. Experience the newest single track loops at the base of the mountains while supporting local trail maintenance at James Lee Memorial Park.