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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 3935 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!

January 2027
Winter trail event at Creve Coeur Park offering 1 mile, 5K, 10K and a half marathon with shirts, medals, hot drinks and proceeds benefiting the Crohn's and Colitis Foundation.
An 11K trail run in Reading PA on January 3 2027 featuring technical terrain, two aid stations, on site EMS, awards and variable winter conditions.
Looped trail ultrarun in Bethera, SC on the Jericho Horse Trail offering multiple distances, three aid stations, and night running requirements.
Test your endurance in Idaho Falls at this winter backyard ultra. Complete 4.167 miles every hour on a varied terrain course until only one runner remains at the Bonneville County Exhibition Hall.
A weekend of trail races at Salem Lake offering a night 5K, looped 12.5K courses up to a 50K, and a four-person 50K relay, with water stops on looped courses, a seven hour cap for the 50K, finishers swag, and post-race food and beer.
Multi-distance running event in Lake Lure, NC on January 9, 2027, organized by Dirty Wolf Ultras.
Multi distance trail race in Texas Hill Country featuring technical 50 km loops, a 100 km two lap option that can qualify for Western States, plus a youth mile.
A trail race in Meridian, Mississippi on January 9, 2027 offering 50K, 25K and 12.5K distances. The event supports the National Alopecia Areata Foundation and features chip timing and on course parking for personal aid.
A short course winter survivalist race in St. Croix State Park on January 9-10, 2027. Participants cover roughly 40 miles on foot, skis, or fat bike while carrying required survival gear and completing two on-course skill tests.
An 18 hour fixed-time urban ultra on January 9, 2027 where runners choose their own route through Miami landmarks. Rankings use GPS-verified miles and selfies at each landmark, with podiums for those who visit all required points and return on foot.
A trail running event centered in Avalon, Catalina Island offering a 50 Mile, a 50K and a TRIPLE CROWN Challenge across the length of the island with ocean views, aid stations and volunteer support.
Experience a diverse trail running event in Escondido featuring everything from a 50 mile ultra to a stroller friendly 5k. Explore the valley floor or climb to the summit of Raptor Ridge in this cupless race series.
A trail marathon and a 17 mile fun run in Big Fork on January 9, 2027, limited to 225 runners with proceeds donated to local organizations.
Trail races of 50K and 25K in Sapphire NC with looped trail routes, stocked aid station, handmade finish medals, and proceeds to brain deterioration and learning disabilities research.
Experience a unique trail run through the private 650 acre campus of Bethesda Academy. Enjoy a scenic route past marshes and farm animals followed by a pancake breakfast for all participants.
Join a community run and walk along the scenic trails of the Tuolumne River Regional Parkway in Modesto. Support the Sole Support Sponsorship Program while completing a 5K course alongside friends and family.
Trail races at Pulaski County Park on Lake Cumberland, featuring a 13.1 mile half marathon, a 10K and a 5K. Trails are well marked and include rolling hills plus a notable finisher hill.
Trail races at River Ranch County Park in Liberty Hill offering 5k, 10k, 13.1 mi, 26.2 mi, 50k and youth distances across meadowland and woodland trails.
A trail running event at Usery Mountain Regional Park on January 9, 2027, offering 20k, 10k, 5k and a 1-mile fun run with all registration fees donated to two local charities.
A trail event at Kanawha State Forest on January 9, 2027 offering 25K and 50K options on a 15.8 mile loop with mostly single track and specified aid station and time limit details.
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