Trail Running Calendar United States 2026-2027

A trail running event at Turpin Meadow Ranch in Jackson Hole on August 22, 2026, featuring 30K, half marathon and 8K courses with Grand Teton views. The run benefits the John Wayne Cancer Foundation and includes finisher items and podium pr..

Loop based trail event at Cliff Cave Park on a marked 3.1-mile (5K) loop with a stocked aid station and varied terrain by the Mississippi River. Distances range from 5K to 50K and athletes may stop after any completed loop.

A continuous loop trail race at Cliff Cave Park on a 3.1 mile (5K) loop with fully stocked aid each lap. Distances are 40 miles and 50 miles with a 12 hour time limit.

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 endurance event in Paul Smiths NY with time based options of 6 hours, 3 hours, and 1 hour on an approximately 4 mile course. The course mixes singletrack and wide former logging roads and includes live music and food.

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.

An off road sunrise trail race near Kirksville, MO offering 10K and 5k routes with sunrise views over Forest Lake. The event is a fundraiser for FLATS, has limited parking so carpooling is encouraged.

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.

A community 5k run and walk in Lakeside on 08/22/2026 along the Turkey Track loop to Walnut Creek, with lunch at the Woodland Lake Park East side pavilion. Proceeds support local community centers LGBTQ+ programs.

A 5k fitness race in Owosso that alternates running segments with functional fitness tests, offered in a prescribed competitive division and a flexible Good Time division. Heats are small and awards and event tanks are provided.

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.

A half marathon trail race in Evergreen, CO that reaches the summit of Bergen Peak. Organized by the local parks district, the event includes vendor tents, refreshments, a cup-free policy and course marshals.

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 community road event at Leopold's Preserve in Broad Run on August 23, 2026 offering 5 km and 10 km on-course races plus virtual options with medal and shirt choices. The race is part of the Sippin Series with Farm Brewery at Broad Run and..

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 on August 23, 2026. Part of the Dick Pond Athletics Darn Tough Trail Race Series with awards, raffle prizes, and proceeds benefiting Chicago Area Mountain Bike..

Muddy Princess Raleigh is a women only 5K obstacle mud run at North Carolina Motorsports Park on August 23, 2026. The course features 18 plus obstacles and welcomes participants aged seven and older to run, jog or walk.