Trail Running Calendar United States 2026-2027

OUTLAST Colorado Springs is a 6 hour trail challenge with a 5K lap every hour for six rounds. Patches and a medal are awarded for laps completed and finishers are ranked on a national leaderboard with cash prizes for top times.

A community trail event on September 26, 2026, offering a 3-mile trail run and 1-mile fun run, followed by a Water Quality Festival with music and food trucks; proceeds include a $1000 watershed stewardship award.

A technical *50K* trail race at Little Pine State Park near Waterville, PA, featuring rocky, changing singletrack and about 7,500 feet of elevation gain. Expect sustained climbs, specific named climbs, and an 11 hour cutoff.

A fully supported 50K trail ultra in Prescott, Arizona on September 26, 2026, run on rugged granite terrain with stocked aid stations, on course safety teams, finisher medals and awards for the top three men and women.

A point-to-point 50 mile race on the Laurel Highlands Hiking Trail from near Rt 30 in Somerset to Mile 0 in Ohiopyle, with a five-person relay option and multiple staffed aid stations. Proceeds benefit the Pennsylvania Parks & Forest Founda..

Trail races at Salem Lake Marina feature a 30K, a 7-mile loop, and a 5K on a mostly shaded wooded trail, with water stops, packet pickup, post-race food and beer, and proceeds benefiting the Salem Lake Trail System.

Run the Rock | Rockville is the fourth annual 5K at Luck Stone’s Rockville quarry near Richmond, featuring gravel terrain, quarry views, local food vendors, family activities, swag, and raffles supporting a charitable cause.

A multisport festival at Pawtuckaway State Park offering swim, bike and run options for people who identify as women. Choose an individual triathlon, two sport combo, single sport or a relay team in a non competitive setting.

A day of races at Brazos River Park in Sugar Land with distances from a kid’s 50 m dash to a 13.1 mile half marathon, in-person chip-timed races, designer shirts and medals, plus a virtual option with mailed packets.

Final race of the 2026 Black Hills Runners Club Trail Series at Alkali Trailhead in Sturgis, SD, with 10K and 18K courses through rolling hills and pine singletrack; youth entries are listed as free.

A multi-distance community race in Thompsonville, Michigan featuring a Half Marathon, 10K, 5K and a 1 Mile Fun Run on the Betsie Valley Trail and ballfield. A portion of proceeds supports the Friends of the Betsie Valley Trail.

Little Heroes Park in Walnut Shade, MO holds a running event on September 26, 2026 offering a 2K fun run and a hilly 5K; registration runs May 18 to September 26 and the entry fee is $35.

A trail based 5K obstacle course race at Wasserman Park on September 26, 2026, featuring 12 or more beginner to intermediate obstacles. Entry is limited to 200 participants and the fee is $40.

A family-oriented mud run at Camp Sacajawea on September 26, 2026, with a 1-mile youth course and a 3-mile mud-obstacle course; proceeds benefit Girl Scouts of Greater Iowa and all participants receive a race shirt.

The Camp Winona Mud Fest will take place in De Leon Springs on Saturday 26 September 2026. You can run 3 miles.

Trail races in Klamath Falls on September 26, 2026 offer 30K, half marathon and 5K on mostly single track with views of Upper Klamath Lake and Mt. Shasta. The event is run by a volunteer non profit with local fundraising.

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 near Cheyenne on September 26, 2026, featuring prairie and buffalo trails plus a short rocky incline. Distances range from a kids run to a half marathon and proceeds support cardiac and pulmonary re..

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 at Blackwell Forest Preserve on September 26, 2026. Entry fees support Bridge Communities to house a family for two years while they work toward self sufficiency.