Trail Running Calendar United States 2026-2027

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 where runners complete a 4.167 mile lap each hour until one runner completes one more lap than anyone else.

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.

A 9 km (5.6 miles) trail race in Helena, Montana, with roughly 1,300 feet of elevation change and more than 4 miles of single-track. The 50th edition climbs Mount Helena and returns to Last Chance Gulch with mountain and city views.

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.

Inaugural Utah Marathon in Oakley, Utah on September 26, 2026 offers five race distances from 5k to the full marathon with start and finish at Oakley Rodeo Grounds.

Trail races at Natural Bridge Caverns include 4, 8 and 16 mile options, a Youth 1 Mile, and Last Person Standing run and ruck formats. The course features an in-cave start for distance races, marked trails, aid stations, and a cupless polic..

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.

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.

Trail runs of 10k, 5k and a free 2k family run at James Lee Memorial Park in Carson City. 5k and 10k registration includes a one year CVTA membership and tech shirts are provided to finishers.

A timed lake-lap endurance event in Lakeland FL with 12-hour, 6-hour and 12-hour relay formats and 2.84 mile laps.

Trail races of 5 and 10 mile length through Frontenac State Park featuring varied single track, prairie, climbs, and cupless aid stations.

Trail races (50K, 25K, 12K, 5K) at Elk City Lake on technical single-track through limestone bluffs, with aid stations and drop bag and crew options for the 50K.

Trail races at William O'Brien State Park in Marine on Saint Croix on September 26 2026, offering 50K, 25K, 10K and 5K on grassy and wooded trails.

A women only Last Woman Standing trail event on a roughly one to 1.25 mile loop with 250 to 300 ft of climb per lap near Arena Wisconsin. Laps repeat every 20 minutes until one runner remains.

An eight hour fixed time race and relay on a flat **3.45 mile** out and back trail next to Dryden Lake. Solo and team divisions, a single well stocked aid station, and optional 0.4 mile mini loops in the final hour.

Trail run at ACE Adventure Resort in New River Gorge on September 26 2026 offering full marathon, half marathon and 5K with camping and a burrito buffet.

A family-friendly 5K mud run at 3 Palms Action Sports Park with obstacles, waist-deep mud pits, a pre-party and an on-site after-party with music, food, and drinks.

Erik Gray Challenge at Southview Trails on September 26, 2026 in Cedar City includes a 5k, a 1 mile, a kids race with shirt and medal, and a virtual 5k. Proceeds will raise money for a local Cedar City resident with cancer and a raffle will..

The 13th Annual Get Outdoors 6.6K at Watkins Mill State Park follows a certified loop around the 100 acre Williams Creek Lake through forested fall colors. In-person and virtual options include a shirt, bib, medal and two guided tour passes..