Trail Running Calendar United States 2026-2027

Take on Bigfoot at Salt Fork State Park on the weekend of December 5 and 6 with scenic, well marked loop trail races from 10 miles up to a challenging 50K. Part of the Ohio Endurance Series, the event supports Guernsey County Sheriff’s Moun..

Join the Utah Santa Run at Gardner Village on Dec 5, 2026 for 5K, 10K or half marathon along the scenic Jordan River Trail. Entry includes a Santa suit and festive aid stations with milk and cookies to fuel your run.

Storm the Bluffs brings trail running, mountain biking and duathlon action to Bronk Unit Plowline Trails in Minnesota City on Dec 5, 2026. A nonprofit fundraiser for youth mental health, the event welcomes all abilities with 15K and 5K opti..

Take on 10k, 25k or 50k trail routes along Millerton Lake and the San Joaquin River in Friant, CA on December 5, 2026. Enjoy scenic waterside singletrack, well stocked aid stations and a friendly ultrarunning vibe.

Join the Mosaic Trail Race on Saturday December 5 2026 at a historic Texas ranch along the San Gabriel River near Austin. Choose distances from a 1 mile youth run to 50k and enjoy event swag and a race shirt if registered by November 10.

Join the Triple C at Woolly Hollow on December 5, 2026 for scenic trail races of 10 miles, 4 miles, a 1 mile fun run, or a virtual option. Run in memory and support Cabugcayan Mission while enjoying lakeside trails and waterfall views.

Run about eight miles along the scenic Sycamore Trail beside the Des Moines River in Johnston, Iowa. Hosted by Capital Striders, this capped field trail event features single track, a midpoint water stop and a friendly postrace gathering.

Test your limits at the Naturally Outdoors Endurance Race in Florence SC on December 5, 2026. Choose 2 hour or 4 hour timed events on a 2.5 mile loop, earn a finisher coin, compete for prizes, and support local trail and park projects.

Challenge yourself on scenic single track and rolling trails at Caloosa Fest with a 5K or Half Marathon through Caloosahatchee Regional Park. Enjoy on site vendors, gear demos, finisher medals and course support throughout the morning.

Run a scenic 50 mile point to point ultramarathon from Sunrise Trailhead to Stagecoach Trails RV Resort in Julian, CA, climbing Stonewall Peak and skirting lakeside trails before a desert finish. Family and crew friendly with aid, camping,..

Run the Loup Garou Trail in Ville Platte, Louisiana on December 5, with distances from 20 mile to 100 mile for runners of all levels. Explore single track through cypress swamp, hardwood and pine with surprising hills and spirited Cajun sup..

Run the Small Town Christmas 34 hour: a friendly ultrarun on a scenic 2 mile loop along the Chattahoochee River in Valley, Alabama. Support a beloved town carousel and chase 100 mile finishes and custom buckle glory.

Run the Cloudland Canyon Trail Races Dec 5 and 6, 2026 at Cloudland Canyon State Park for looped courses and scenic canyon climbs. Distances from a 5 Miler to 50 Mile, finisher medals for 25K and up, swag and park support.

Run scenic trails along the Occoquan Reservoir at Fountainhead Regional Park for the Fall Backyard Burn Trail Run. Choose a spirited 5 Mile or a challenging 10 Mile course with rolling climbs and great views.

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.

Take on singletrack at East Fork State Park in Bethel Ohio in December with the Topo Trail Marathon Races. Run one 6.55 mile loop or repeat it for Half and Full distances while enjoying aid stations, chip timing and finisher swag.

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.

Frigid Beast Feast offers distances from 3 to 150 miles along the scenic Tickfaw River Trail at Tickfaw State Park. Camp on site, enjoy staffed aid stations, and earn a finisher medal in a wild riverside setting.

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.