Trail Running Calendar United States 2026-2027

Trail based 5K obstacle race at Wasserman Park on September 26, 2026 featuring 12 or more beginner and intermediate obstacles and limited to 200 participants.

An obstacle mud run at Camp Sacajawea on September 26 with one mile and three mile courses, waiver required, proceeds benefit Girl Scouts of Greater Iowa.

A 3 miles obstacle course at Camp Winona in De Leon Springs with over 17 obstacles, race T-shirt, finisher's medal and a pancake breakfast; two pricing periods apply.

Trail races in Klamath Falls offering 30K, half marathon and 5K on mostly single track with lake and Mt. Shasta views; organized by a local non profit.

A trail event at Vandenberg Space Force Base on September 26, 2026 offering 10 km and 20 km distances. Non-base participants must show a REAL ID for base entry and all finishers receive a medal and a drink ticket.

A trail run and walk at Terry Bison Ranch in Cheyenne on September 26, 2026, offering distances from a half marathon to a kids run. Proceeds support cardiac and pulmonary rehab equipment and participants receive a 2026 event T shirt and bre..

A five-race cross country series in Portland parks with separate men’s and women’s races, options for non-binary entrants, race distances of 5K 6K and 8K, and both series and individual registration fees.

A 30 minute run or walk up Mt. Hoy in Blackwell Forest Preserve, Warrenville IL, with proceeds funding two years of housing through Bridge Communities.

Trail races at Caesar Creek State Park on September 26, 2026, including a half marathon, 10K, 5K, 20K relay, and a 6-hours event. Entries include a custom bib, fueling supplies, a medal, and timed results.

Multi-hour trail running at Richard Bong State Recreation Area offering 24, 12, 6 and 3 hour options plus a backyard 24 loop format.

A community run at Long Leaf Park offering a timed 5K and a non-timed 1.5 mile fun run, with in-person and virtual options supporting ovarian cancer awareness and research funding.

Teams of two alternate loops on a mostly trail three mile course at Pike County Stadium in Zebulon, GA. The relay offers six and twelve hour options and raises funds for local food programs.

A *3 mile* Reunion Run at Hereford High School as part of the Bull Run Cross Country invitational. The race is open to all ages and carries a $10 registration fee, with registration listed from August 24 to September 26.

Sundown Rundown Fifth Street Cross Edition is a lap based elimination race in Emmaus, PA on 09/26/2026. Runners repeat roughly 1.6 mile laps with tightening time cuts and self score on a public scoreboard.

A 4 mile cross country trail race around Beaver Lake at Pocahontas State Park on Sept 26, 2026, held with Chesterfield Outdoor Fest; cupless with awards and on-site demos.

A 5th annual 3.1-mile run and 1.1-mile walk at The Church of St. Andrew in Staten Island, and the first leg of the Staten Island FALL TRIFECTA.

September 26, 2026 trail event in Kansas City offering 50k, 25k and 12k on mostly single track loop trails with post race food and swag.

Teams of 6 to 13 run a 26 leg relay on a one mile trail loop at The Woodlands in Philadelphia, using custom batons and a torch carrying final 0.2 mile runner.

Dingess Tunnel and Trail 5K in Dingess WV is a 3 mile race through the 1892 tunnel with parking at Muncy Bottom and an official T shirt while supplies last.

A non timed 1 mile and 3 mile walk and run around Hickory Grove Lake at Snow Bunting Lodge. The event raises funds for Chase Away K9 Cancer in memory of a Greater Swiss Mountain Dog named Remy and welcomes pets.