Trail Running Calendar United States 2026-2027

Trail-based 5K and 10K at Rock Creek Regional Park in Derwood, MD, with virtual entry options and listed registration fees. The event also collects donated race medals for Medals4Mettle.

Shark Week themed races at Stars & Stripes Park in Oklahoma City with 1 mile, 5K, 10K, a kids dash and a virtual option. Chip timing for 5K and 10K plus race tees, medals, music and awards.

A themed race day by Bigfoot Running Company at Lady Bird Johnson Trail Park offering a Kids Dash, 1 Mile, chip timed 5K and 10K, volunteer options, and a virtual run on July 11, 2026.

OUTLAST Spokane is a six hour trail challenge where runners complete a 5K each hour and must finish each lap to continue. Partial finishes earn patches, six laps earn a medal, and top finishers advance on a national leaderboard with cash pr..

A 5K trail event at North Lake Park in Stevensville MI that raises funds for Alzheimer’s causes. The event is not timed and awards prizes to the three participants who catch the most deer flies using Tred Not Deerfly patches.

A looped 10K event at PCEI in Moscow with solo and relay options, a box of six donuts per entry, and a rule that the active runner eats one donut per loop. Registration closes July 9.

A 4 mile off-road trail race at Good News Brewery in Defiance, MO on July 11, 2026, with a post-race party, free bagels and beer, and a long sleeve tech shirt. Registration opens February 18 and closes May 1 with a $50 fee.

Trail runs at Battelle Darby Creek Metro Park offering 5k and 10k distances and supporting FLIP's cancer prevention work. The 5k is relatively flat and family friendly while the 10k finishes with a stair climb noted by local runners.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

Experience the natural beauty of Findley State Park on a scenic trail course around the lake. Choose from various running and hiking distances to support local park conservation and enjoy handcrafted medals.

A 5.2 miles trail race in Valdez, Alaska on July 11, 2026, running along Mineral Creek and sections of Homestead trail with coastal views. Registration opens March 5, 2026; fee $30 and onsite registration is available.

Three race distances at Mason Creek Hike & Bike Trail in Katy, TX with mapped out-and-back courses, set laps per distance, a 3 hour 30 minute time limit, and online registration required via RunSignup.

Experience a trail run or walk at Saint Albans City Park in West Virginia. Finishers receive a medal and a high quality shirt while enjoying post race refreshments in a scenic park setting.

A community 5K run and walk at Camp Petosega in Alanson organized by Emmet County Parks and Recreation to benefit local parks and facilities. Pre race registration is $20, race day registration is $30 and T shirts are limited.

The Blue Mountain 30K is a 30 kilometer trail race near Missoula, Montana. The 18.6 mile loop gains 3,600 feet and passes through ponderosa pine forest and flowering meadows, with the field capped at 200 entrants.

A multi day trail running series in Montana during summer 2026 with 5K to 50K distances plus half and full marathons at West Yellowstone, Seeley Lake and near Butte. Participants receive a custom medal, bib and aid station support.

The 17th Annual Waterloop Trail Run in Honor Heights Park, Muskogee features trail distances from a 1-mile fun run to a 15k, with water features on course and early-registration pricing and a guaranteed t-shirt for entries by June 28.

Mud Mountain Trail Fest is a trail running event at Mud Mountain Dam in Enumclaw, Washington on July 11, 2026. It offers a 4 Miler and a 10K on forested trails described as moderately challenging.

Trail run at Rudy Mines in Owensboro offering a 10K and a 1-mile kids run; all finishers receive medals and top three men and women in the main race earn awards.

Wild Hope Trail Race on July 11, 2026 at White Oak Lake State Park offers trail distances from a one mile fun run to a half marathon with a ruck division. Proceeds support church planting and tabernacle construction in West Africa.