Trail Running Calendar United States 2026-2027

A continuous 3.1-mile loop trail race at Cliff Cave Park with rolling hills, river overlooks, and a fully stocked aid station each lap. Options are 40 or 50 miles with a 12-hour cutoff and designated crew and pacer access.

A trail ultramarathon at Prospect Acres Ranch where runners complete repeated 2.2 mile laps in 2, 4, or 8 hour formats. Field camping is available Friday evening and registration is $40 with proceeds supporting future events.

A loop-style trail event in Paul Smiths, NY with 6 hour, 3 hour, and 1 hour timed options on an approximately 4 mile course. The day also features live music, food, and other on-site activities alongside the timed laps.

An Alice in Wonderland themed night event at Echo Canyon State Park featuring a 1.8 mile reservoir loop and multiple unusual race formats from timed loops to dice-based team runs.

Trail races in Kirksville, Missouri offering 10K and 5K off road courses with sunrise views of Forest Lake and proceeds benefiting the local trail system.

Two events at The Farm in Carney, Michigan on August 22, 2026. A woodland 5K and a Mail Pouch Beer Mile run as four 0.25 mile laps with a 21 plus age requirement for the beer mile.

Unity 5K Lakeside is a community run and walk on 08/22/2026 in Lakeside, Arizona following the Turkey Track loop to Walnut Creek with a post event lunch at Woodland Lake Park.

A 5k in Owosso that mixes running with timed fitness stations. Two divisions offer set standards or self selected scaling, heats of a few athletes, event tanks and awards across competitive, masters and youth categories.

A trail race at Northland Arboretum on August 22, 2026 offering a Half Marathon and 10K on forested, off road trails with chip timing, aid stations, race shirts, and limited entries.

The 21st Annual Martha Walker Wild Duck is a 5 km cross country race at Guajome Regional Park in Oceanside, California. It is the opening race of the 2026 Dirt Dogs XC Series and includes a race flyer and course maps.

Trail running at Krause Springs, Spicewood with 5k to 50k distances plus a youth run, aid stations, medals, on-site activities, and a cupless format. The event is postponed due to severe weather; transfer and reschedule options are offered.

A community event at Riverwood Nature Center offering a 5K trail run and a 1 Mile nature walk with a kids scavenger hunt and a K9 unit demonstration. The 5K has a $30 entry fee and a t shirt guarantee for pre registration.

A community trail series meeting one Saturday each month through the summer, with three mornings and a sunset closing. Participants pick their own distance and return to a shared tent for breakfast, drinks, and company.

A backyard ultra in McLeod, ND with a loop of about 4 miles 880 feet (6.7056 km). Runners start each lap together once per hour and the last runner to complete a lap wins.

A five kilometer trail run and a one mile run or walk in downtown Crane, Missouri, hosted by Discover Crane with proceeds to the Crane City Pool. Packet and T shirt pickup available; register by August 2 to guarantee a shirt.

A free, non-competitive 50-mile group run through St. Augustine on August 22, 2026, mixing road and trail. Participants may run any distance, with coaching support, post run refreshments, and random giveaways including race entries and coac..

A charity event at Medomak Valley High School with an untimed 1 mile walk, a 5K trail race, and a virtual 5K, with proceeds benefiting Boston Children’s Hospital.

Clothing optional 5K and 1 mile thirsty/beer mile at Oakwood in Stacy, Minnesota, held August 22, 2026. Adults 18 or older may participate, and the beer mile requires age 21 or older.

A community run and walk at Millicoma Marsh offering 5k and 2k courses on mixed gravel, grass, and paved surfaces, followed by a stewardship activity along the trail with free parking available.

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..