Trail Running Calendar United States 2026-2027

Arches Ultra in Moab on January 30, 2027 offers 9K, half, 50K and 50 mile trail races along Arches National Park with varied terrain, cupless aid stations, and distinct elevation profiles for each distance.

Looped trail races in Bootleg Canyon near Boulder City, NV on January 30, 2027 offering 100 miles, 50 miles and a half marathon. The 12.5 mile loop features regular aid, drop bags, crew access and a guaranteed purse for the 100 mile.

Experience winter trail running on the woodchip and dirt paths of the Big Cross facility in Pasco. Choose between the 2.5 mile or 5 mile distances and receive a specialized runners belt for participating.

A winter obstacle race at Lake Geneva Ziplines & Adventures on January 30, 2027 offering distances from a kids loop to a 20K Yeti Challenge; fun heats allow optional obstacles while a competitive division awards cash prizes. All in-person f..

Test your endurance at this backyard ultra in South Carolina. Run 4.167 mile laps every hour on the hour until only one participant remains at the Pleasant Ridge Camp and Retreat Center.

Interlaken Icicle Dash at Interlaken Park in Seattle on January 30, 2027 offers 5k and 10k trail races as the final event of the 2026/27 Winter Trail Series. The course uses a 2.5 km loop on paved boulevard and dirt trails.

Live Oak Ultra in Biloxi offers a supported 50K and a Half Marathon through beaches, a bridge crossing, and Gulf Islands National Seashore with GPX navigation, multiple aid stations, a 10 hour limit, and finisher awards.

A multi-distance trail race at River Ranch County Park near Liberty Hill offering 5k to 50k options, looped courses, fully stocked aid stations, finisher medals for all, and awards for top finishers across distances.

A trail event at Magnolia Hill Ranch in Navasota where runners complete a 5k every hour for five hours; prizes are awarded for overall finishers and relays, and primitive camping is available for a fee.

Trail races in Calabasas, CA on January 30, 2027 offer multiple distances from 30K to 100K, with the 100K serving as a 2026 WS100 qualifier. The event is organized by Keira Henninger Events and is held at 1925 Las Virgenes Road.

An endurance loop race at McDowell Mountain Regional Park with 3 hour, 6 hour, and sun up to sun down formats for solo runners and teams of two, three or four. Chip timed with onsite food, camping, and awards.

A three-race trail series in San Angelo from January 16 to February 20, 2027, with 5K and longer distance options at Middle Concho Park, Twin Buttes, and San Angelo State Park. Series awards are based on total time across all three races.

A timed trail endurance event at Hardin Farm in Watertown offering 12 hour, 24 hour and 48 hour formats on a ~5 mile loop with 1,000 feet of climb per lap, relay options, a rucking division, and special awards for long distance achievements..

A January trail party using a 5K loop with three hour and six hour options plus a 3H ruck. Mixed carriage roads and technical singletrack, limited field size, and proceeds benefit the South Mountain Conservancy.

Castlewood Cup is a *15 km* trail race at Indian Camp Creek Park on January 30, 2027, featuring a post-race BBQ, beer for those 21 and over, live music weather permitting, finisher medal and photos; it is part of the Big River Trail Series.

Single loop trail races of 50k, 25k, 5k and a Youth 5k at Carlton Preserve in Venice FL on January 30 2027, organized by RunFluent. Registration is on UltraSignup and closes January 28.

A one-day trail event at Cross Timbers Riding Area in Oklahoma City offering 5K, 10K, 25K and a virtual option on single track dirt and gravel trails. Proceeds benefit Earlywine Park YMCA.

A trail event at Fall Creek Ranch in Granbury, TX on January 30, 2027, featuring a half marathon, 10K, 5K and a virtual Couch Conservationist option that supports the Texas Agricultural Land Trust. The course crosses prairie, woodlands, and..

Experience a historic skiing tradition at Mount Spokane State Park. This 10K event features wave starts for all speeds and includes dedicated categories for adaptive skiers on the scenic Nordic trail system.

A multi-distance event on the Maricopa Trail featuring 36- and 15-mile mountain-bike courses plus a 10-mile out-and-back trail run, finishing at Lake Pleasant with aid stations, live tracking, camping, and proceeds benefiting local trail st..