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Trail Running Calendar United States 2026-2027

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Explore the best trail runs in the United States for 2026-2027! Our updated list features 3961 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

October 2026
A certified 5K trail run on a 50 acre horse ranch near Gastonia, NC, accompanied by a 2K walk, a Half Pint race for ages 7 and under, and a virtual 5K option. The event runs rain or sunshine and will be canceled for lightning.
Multiple trail distances around Lake Somerville follow lakeshore and shaded forest trails with marked courses, aid stations, a Friday night tailgate, and a cupless Leave No Trace policy.
A 5K trail Color Run in Defiance on October 10, 2026 that raises funds for Black Swamp Area Council and Camp Lakota; registration opens April 30, fee $30.
Five hourly 5K loops at Jockey's Ridge State Park totaling 25K, with individual and two-person team options, chip timing, and a dune crossing.
A community 5K in Flossmoor with a parallel virtual 5K that raises funds and collects goods to support local families experiencing hidden homelessness and provide school supplies for homeless children.
A community trail event on October 10, 2026 in Holland, Michigan honoring first responders and people affected by cancer. Options include a 5K Run or Walk and a 2K Walk on a scenic course that includes a hill.
Community running event in Urbana, Ohio on the Simon Kenton Bike Path with 5K, 1 mile, and virtual options; register by Sept 22 for a T shirt and goodie bag.
Trail races at High Hope Ranch in Glen Rose on October 10 2026 with distances from 1K to 100K, steep trails, cupless aid, no dogs, and primitive camping.
A multi-distance event at Fair Oaks Park with a chip-timed half marathon, a judged costume contest, aid stations, post-race music and food, and volunteer options.
Trail races at Branched Oak Lake, Raymond NE on October 10 offering 4, 8 and 12 mile distances with shirts, medals and on-trail support.
Trail runs of 6.2 and 3.1 miles at Chattahoochee Pointe Park on October 10, 2026 with a 275-runner cap and age group awards; presented by Chateau Elan.
A 5 km loop through Nature and Eagle Park where volunteer zombies try to steal runners' flags; includes a 1 mile costume run and youth categories.
Elimination 50K at Oak Mountain State Park where runners carry a 20 lb kettlebell for 31 one-mile laps with shrinking time limits and custom kettlebell awards.
Ultras and relay across Michigan's lower peninsula from Lake Michigan to Lake Huron, with point to point and virtual options.
A charity race at Moose Ridge Golf Course in South Lyon with a 1K kids run and a 5K run/walk supporting the Rogel Cancer Center Breast Cancer Program. Registration includes a commemorative hat and finisher medal; donuts and cider follow the event.
A flat, scenic race at White Horse Winery offering chip-timed 10K and 5K races plus a 1 mile walk, with post-race music, awards, wine for 21 plus, and a party atmosphere.
October trails at Independence Oaks showcase fall colors while runners loop around Crooked Lake. Three distance options use successive laps and include Rock Ridge and Spring Lake Trails.
Six, 12 and 20 hour trail ultras in the Southern Kettle Moraine Forest with three loop options, solo or relay teams, and a village basecamp.
Fourth annual Del Rio Marathon in Del Rio, Texas on October 10, 2026, held at 1105 W De La Rosa Street; registration closed August 25, 2026.
Trail races in the Chattahoochee National Forest with a 50K plus 30K and 15K on marked singletrack featuring creek crossings and steep climbs.
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