Trail Running Calendar United States 2026-2027

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3939 exciting races across the country. Find your next race in the United States below and join the running community at these great events!

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.

A multi duration trail event at Richard Bong State Recreation Area on Sep 26, 2026. Options include 3, 6, 12 and 24 hour formats, with both a Backyard 24 loop and a continuous 24 hour Ultra available.

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.

A team relay at Pike County Stadium where pairs alternate on a mostly trail three mile loop. Choose a 6 hour or 12 hour relay while proceeds support the Pike County Free Lunch Program and Backpack Buddies of Georgia.

A fundraising event at Wheeler High School supporting Defeat MSA Alliance, featuring a professionally timed 5K, a 1 mile fitness walk and a virtual option. The event includes awards, free child care, tee shirts and local vendors.

The Morgan Hill Trail Races will take place in Fabius on Sunday 27 September 2026.

A trail event at Ascutney Outdoors offering 50 mile and 50K ultra runs, team relays, mountain bike races and kids fun races. Proceeds support Vermont Adaptive and registration details are published for the 2026 race weekend.

An all-trail event on the Moosup Valley State Park Trail in Moosup, CT offering 5K, 8K, 10K and a free Kids Fun Run with post-race shirts or medallions and food at Weidele's; proceeds benefit a local Rotary charity.

Experience the natural beauty of Lexington at the Raven 10K Trail Run. Run or walk through grassy fields and primitive trails at the Raven Run Nature Sanctuary or join the event virtually from any location.

A community 5K on September 27, 2026 in Dolgeville along the Greenway Trail. Registration has a $25 fee with children under 12 free; proceeds fund free sports equipment for local youth.

A themed race day at Draper Park with options from a kids dash to a chip timed half marathon, a costume contest with prizes, age group awards, volunteer roles, and mixed surface park and greenbelt courses.

Trail races at Orion Oaks County Park in Lake Orion, Michigan include a two-loop half marathon, 5K run/walk, a 5K dog division limited to 50 dogs, plus virtual half and 5K options with the same race swag.

Experience the beauty of RB Winter State Park with a half marathon or four mile trail race. Enjoy a community atmosphere with post race food and music while supporting local organizations.

A high alpine 50k near Nathrop Colorado that follows the Colorado Trail, reaches about 13,100 ft, and covers roughly 33 miles with 7,000 ft of ascent. The race is organized by Freestone Endurance on permitted public lands.

A community 5K/10K/15K on the Pinellas Trail in downtown Dunedin at HOB Brewing Company on September 27, 2026, with electronic timing, finisher medals and a post-race party including one free draft beer for participants 21 and over. The eve..

Trail running in shaded redwood forest at Sanborn County Park on September 27 2026, with 10K, half marathon and 50K options; steep singletrack, shuttle parking, chip timing and specific mandatory gear for the 50K.

A trail ultramarathon on September 27, 2026 in Freeport ME using a roughly 5 mile loop repeated for 10, 6, or 2 laps. The route is all dirt trails with bridges, stairs, and roots and has a single aid area at the start and finish.

A themed run in Long Beach on September 27 with Half Marathon, 10K, 5K, a family mile and kids dash, ocean views, chip timing and a pizza themed finish line festival.

Trail races along the Western States Trail near Auburn, California on September 27, 2026. Distances include a half marathon, 12K and 5K with electronic chip timing and finisher medals and t shirts.

A 10 miles trail race in Holtwood, PA, over rocky, hilly trails with stream crossings and scenic overlooks. Chip timed, with aid stations, a strict 2.5 hour cutoff to mile 7, and one way bus transport to the campground start.

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