Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4081 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A memorial community climb on September 12, 2026 to Mt. Grant Mountain near Hawthorne, NV, featuring a roughly 17 mile route with about 7000 feet of ascent and a planned 9/11 tribute that supports the Veterans Memorial Park.

A four hour looped trail event at Loud Thunder Forest Preserve featuring a one mile loop with steep gradients and off trail sections. Prizes go to the runners with the most loops and proceeds support the preserve.

An autumn 5K mud run fundraiser at Gretna Glen featuring 20 plus obstacles, competitive chip timing and non competitive waves, plus a separate 1.3 mile kids run for ages 5 to 11. Proceeds support Gretna Glen Camp and its ministry.

Three events at the Springfield Dam on 09/12/2026 include a kids 0.5 mile, a one-mile Maniac Mile for ages 10+, and a 3.1 mile trail run with views of Mt. Ascutney. Food vendors and family activities are planned.

A two mile Fun Run on the CPHS cross country course in Cedar Park, held alongside competitive high school and middle school cross country races; vendors will have merchandise and proceeds support course and trail maintenance.

Trail run at Central Florida Bible Camp in Eustis with a roughly 3.2 mile two loop option and a single loop fun option. Runners can attempt up to ten field day stations such as inflatable obstacles, axe throwing, and cornhole.

A six hour loop challenge on shaded single track trails in North Park near Deer Browse 2 Pavilion in Allison Park PA. Runners complete as many 2 mile loops as they wish, earn a raffle ticket per loop, and top male and female loopers receive..

Trail races in Pittsfield State Forest on September 12, 2026 feature 50K, 25K, 15K and 5 mile options. The double loop course includes long climbs, fast descents and three aid stations, with proceeds supporting Free to Run.

A point-to-point 50K on the Pacific Crest Trail from the South Washington Cascades to the Columbia River Gorge, including a viewpoint stop at Three Corner Rock. A portion of proceeds supports the Stevenson High School Cross Country Team.

Weekend cycling and running events in Minden LA with gravel races, paved Fondo rides, MTB races and 5k/10k runs; courses are chip timed and include a post race meal.

Gut Check in Gunnison is a multi-course ruck and running event on dirt and mountain terrain with individual and 5-person team options in light and 35 pound heavy classes. Proceeds support firefighter and veterans charities.

Cornell Days 5k and 1 Mile Fun Run/Walk is a family friendly event at Clinton Keith Mills Memorial Park with an out and back county road course and a postrace breakfast cookout.

Trail races and a kids run at Eagle Creek Campground near Yellowstone on 12 September 2026. Courses include a 9k with 1000 feet of climb, a 5k with 400 feet of climb, and an untimed 5k walk.

A mountain road race in Jelm, Wyoming with a 10 mile out and back on jeep roads and a 50k that repeats the loop three times. The course gains over 2,000 feet and reaches the Infrared Observatory above 9,600 feet.

A 7 mile out and back on the Guild-Hardy Trail near Chattanooga on September 12, 2026, with a 3.5 mile climb to a boulder turnaround and a 3.5 mile descent back. The field is limited to 100 and parking is restricted.

A fall trail event in Groton, Vermont hosted by Onion River Outdoors, offering 25K and 12K routes through Boulder Beach State Park. Note that cell service is limited and day of purchases require cash or check.

A women only trail running event at Fountainhead Regional Park on September 13, 2025 offering a half marathon and a 10k plus option. The event includes organized training runs and a course video; entry is closed.

A 5K obstacle mud run at The Master's Motoplex in Gaston, South Carolina on September 13, 2026, featuring mud obstacles, finishers medals and event photos. The event partners with the National Breast Cancer Foundation to support breast canc..

An obstacle course race at Indiana Dunes National Park on September 13, 2026, featuring 10k, 5K and a K9 3.1-mile event. The course uses varied landscapes to reflect terrains associated with military service.

Experience the rugged beauty of northwest Connecticut at Macedonia Brook State Park. Featuring single track trails and views of the Catskill Mountains, this event offers 12K, 25K, and 50K distances for trail runners.

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