Trail Running Calendar United States 2026-2027

Devil Dog Ultras in Prince William Forest Park offers 100 mile, 100K and 50K loop races on primarily single track with staffed aid stations, set time limits, limited entry, and a multi year loyalty challenge.

A 28k trail run in Fremont Canyon at Irvine Regional Park featuring about 3800 feet of elevation change and four aid stations. The course runs on fire roads, is cupless, and participants are asked to carry personal hydration.

Trail runs at Hanging Rock State Park in Danbury, NC on Dec 5, 2026, with a 50K and a 25K. Both courses feature technical singletrack, substantial climbing, and multiple aid stations.

Trail races at Fountainhead Regional Park on December 6, 2026, with 4.8 mile and 10.5 mile options along trails and dirt roads; aid stations, post-race food, optional medals, and a kids program are available.

Join the festive Krampus Cross Country in San Francisco with live and virtual options Dec 4 to 7 and the in person race on Dec 6. Pick 5K, 10K or the Naughty Nine Miler and take home a woodallion, tee and beer sampler stein.

Trail races at East Fork State Park in Bethel, OH using a 6.55 mile singletrack loop to create Quarter, Half and Full marathon distances with on course aid stations and professional chip timing.

Tackle rugged single track and scenic quarry trails at the Dirty South Trail Races in Knoxville on December 6, 2026. Options include a half marathon, 10K, and kids mile for a fun day in the South Knoxville Urban Wilderness.

Celebrate the season with the Gingerbread Lane 5K and 10K at Stars & Stripes Park in Oklahoma City on December 6. Enjoy festive fun with shirts, medals, a holiday costume contest, music, and cookies and milk at the finish.

A long running tradition at FDR State Park near Pine Mountain, Georgia offering 19 and 40 mile courses on rocky single track and rolling hills. The well marked routes include stream crossings and support Georgia state parks.

The Hunter S. Thompson Fear & Loathing will take place in Midtown Terrace on Sunday 6 December 2026. You can run between 50 and 50 miles.

A multi day trail event at Tickfaw State Park near Springfield, LA, offering distances from 3 miles to 150 miles on a river loop with aid stations, camping and cabin lodging, food including vegan options, and distance based awards and swag.

Kick off a festive season with the first My Resolution 5K and 10K on December 12 in San Antonio, featuring loose sand courses that turn every stride into an adventure. Celebrate at the finish with s'mores, hot cocoa and live music.

A low cost, low key set of long-distance races in Maple Valley, WA on Dec 12, 2026, with 50K, marathon, and half marathon options and limited on-course support in a grassroots atmosphere.

On Dec 12 Run Caney in Minden LA invites runners to tackle 5K, 6 mile and 12 mile loops around Upper Caney Lake on gentle, beginner friendly trails in Kisatchie National Forest. Overall winners earn awards and age group winners get handmade..

Join Medal Madness on December 12, 2026 at Ephram White Park in Bowling Green for a festive 5K, 10K or half marathon on scenic gravel out and back loops. Expect finisher medals, a gear shop, awards and a best costume contest.

Free 17 mile run on the Virginia Creeper Trail in Damascus in December 2026. The event is cup-less with collapsible cups available at packet pickup and aid stations; hot drinks and snacks are provided at the finish.

Celebrate the season at Vail Jingle Trail in Tucson with a festive 5K and Santa's Little Helper 1K, course decorations, themed shirts, and awards. Enjoy cheering from Mica Mountain Cross Country and holiday fun for all ages.

Run a scenic 13.1 mile loop through Chain O'Lakes State Park at the Ignite Trail Marathon on December 12, 2026; choose one loop for the half or two for the full. Expect three aid stations, local support, and rugged trail charm.

The Jingle Trails will take place in San Antonio International Airport Vicinity on Saturday 12 December 2026. You can run between 5 and 20 kilometers.

A holiday-themed trail event in Helen, GA featuring a hilly half marathon with about 2,000 feet of climbing and a walker-friendly 10K. Swag is offered with guaranteed items for registrations by November 1.