United States close

Trail Running Calendar United States 2026-2027

Header image

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3963 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!

December 2026
Trail races through Sanborn County Park redwoods on December 12, 2026 offering 5K, 10K and half marathon options with chip timing and finisher medals.
A trail running event on December 12, 2026 in Montgomery Bell State Park TN offering 50K, 25K and 15K routes with aid stations and a cupless policy.
A looped trail event at Holmdel Park on December 12, 2026, with a roughly 4.5 mile loop and distances from a single loop to about 50 km.
A roughly 5-mile trail race in Lenoir on 12/12/2026 featuring single-track, gravel and short hardtop sections, part of the Foothills Run Series, with early packet pickup, post-race s'mores and awards including Dirty Santa gift selection.
A multi-distance trail event at Ray Roberts Lake State Park featuring rooty single track, a 15 Mile/25K loop with about 900 feet of gain, aid stations, and a 25K RUCK.
The 50th Annual Sandy Claws Beach Run at Siesta Beach features a chip-timed 5K, a 1-mile fun run and a virtual 5K, with finisher medals, age-group awards, music, food and a holiday costume contest.
Celebrate the twentieth anniversary of this unique cross country race held at the Mount Hood Golf Club. Choose between a competitive three and a half mile run or a festive two mile walk through hilly terrain.
A fundraising run on December 12, 2026 at McGuffey Nature Center offering a 1-mile Fun Run, 5K and 10K to support local land and wildlife conservation.
A coastal ultramarathon on 12/12/2026 in Pensacola tracing the Gulf shore between Big Lagoon State Park and Fort Morgan. Options include 50 Mile and 50K distances with solo and relay formats.
Trail races at Daley Ranch in Escondido with 10 mile, 10K and 5K dirt courses, notable climb to Stanley Peak and a 300-runner field limit.
Trail races at Howard Buford Park in Eugene on December 12, 2026 offering 50K, 25K, 15K and 5K on mixed, sometimes muddy trails with creek crossings.
Outlast San Antonio is a 6 hour trail challenge where participants run a 5K each hour and aim to complete six laps for a premium medal. Finishers are ranked on a national leaderboard with cash prizes for top performers.
Holiday trail runs in Louisville CO with 5k, 10k, a new half marathon, expo pickup, giveaways, family activities, and a visit from Santa.
A VHTRC holiday time 50k out and back on the Bull Run-Occoquan Trail from Hemlock Overlook to Fountainhead, with four aid stations and a GPX file for navigation. Entry includes lodge access, stocked aid stations, and a catered after party for $20.
Trail races on the Bright Hope Trail at Pocahontas State Park offering 5k, 10k and half marathon distances with chip timing, water stations and a virtual option.
RunFluent Christmas in Lutz, FL on December 12, 2026 features trail races from a new half marathon to 4 mile and time-limited 7 hour events with awards and finisher woodals.
A 7.8 mile trail run through Pere Marquette State Park in Grafton, IL on 12/12/2026 with packet pickup, pre race coffee and post race awards held in the park lodge. The event is planned to run in most weather conditions.
Trail runs on the SCPS campus in Savannah featuring a 5k, a 1 mile and a kids 1/4 mile, plus a costume contest and cash prizes for runners who beat Santa or Mrs. Claus.
A sold out 5K and virtual 5K at the Florida Conservation and Technology Center in Apollo Beach supporting manatee conservation, with proceeds donated to the Florida Fish and Wildlife Conservation Commission.
Winter trail races in Glenmont, Ohio offering 50k and 25k on the original Bob's Big Timber Backyard Ultra course.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.