Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 4101 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

A cross country meet at Spring Canyon Park in Fort Collins on August 22, 2026, featuring seven races including high school 5k, a community 5k on the same course, and middle school 1.5 mile races. Proceeds support Rocky Mountain High School..

The BVA 5K Fun Run will take place in Garrattsville on Saturday 22 August 2026. You can run 5 kilometers.

Four trail races in Evergreen range from 5K up to a half marathon, with varied meadow and mountain courses, shuttle service at Alderfer, and onsite amenities.

A 5K and 10K event at Leopold’s Preserve in Broad Run on August 23, 2026, featuring in-person and virtual options and a new Sippin Series partnership with Farm Brewery at Broad Run.

A trail running festival at Thacher State Park on August 23, 2026, offering **10K**, **13.1M**, **26.2M** and **50K** courses that share the same first 10K loop. The cupless event has multiple aid stations, post-race food, and medals for ma..

Trail races of approximately 4, 9.5 and 13 miles at Paul Douglas Forest Preserve with water stations, age group awards and CAMBr as beneficiary.

A women-only 5K obstacle mud run in Raleigh on August 23, 2026, held at North Carolina Motorsports Park with 18+ obstacles; open to women aged 7 and up who can run, jog, or walk the course.

A trail 5K and 10K at Granite Beach for runners with or without dogs, featuring shaded single-track trails, mid-course aid stations, finisher medals and dog bandanas.

Out and back trail races at the Route 54 parking area in Weiser State Forest, featuring a 13.1 mile half marathon and a 3.1 mile 5K along reservoir lakes. Field limited to 300 entrants and proceeds support watershed conservation.

A 5K cross country race at Waters Farm in Sutton Massachusetts that opens the USATF New England XC Grand Prix series. Separate men's and women's open races, on site registration, and a post race awards ceremony.

Experience an engaging 8 mile trail race through the winding singletrack of Fredericksburg. Navigate rolling hills and punchy climbs in this focused event supported by the local running community.

On August 23, 2026 Raptor Ridge stages a 6.5 mile trail race at Westmoreland Sanctuary in Mount Kisco, New York. The event starts and finishes at the Fox Lane High School campus, dogs are not allowed and non perishable food donations are co..

A half marathon and a 5K on the Lehigh Valley Trail in Mendon on August 23, 2026. The half is USATF certified and part of the Rochester Runner of the Year series, with prizes and commemorative items for early registrants.

A two loop 4.15 mile cross country race on the fire roads of the UC Santa Cruz campus, starting and finishing at the meadow above the fire station and included in the Pacific Association USATF Grand Prix series.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

OakRunner Trail Run features 5K and 10K mountain trail courses at Oak Mountain in Speculator, NY. The route runs on wooded, uneven trails with climbs and descents and a portion of proceeds benefits the Oak Mountain Race Team.

Two 5K cross country races at The Course in Spokane Valley on August 23, 2026, organized by the Bloomsday Road Runners Club. Entry fees, youth pricing, awards for top finishers, and a 1970s style headband for all finishers.

A self-timed 5 miles on a packed rail trail in Darlington, Maryland, held as part of the Harford County Running Club Dog Days of Summer Series. The course is stroller friendly with parking at Fisherman's Log and free registration.

A community tribute on August 23 featuring a 5K with digital timing, a 1 mile fun walk, a family mud run with obstacles, and a virtual 5K; proceeds support the P.H.I.L. Foundation.

The Old Ephraim 200 will take place in Logan on Monday 24 August 2026. You can run 215 miles.

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