Trail Running Calendar United States 2025-2026

Celebrate Hispanic Heritage Month with a free, untimed 5K fun run along the Keystone Trail in Aksarben Village. Open to runners and walkers, enjoy Altra demo shoes, free finish medals and post run raffles and giveaways.

Celebrate Hispanic Heritage Month with a free untimed 5K at The Mill at Telegraph in Lincoln. Try demo shoes from Altra and grab a free finisher medal, then stick around for raffles and giveaways.

Join a friendly 3 mile trail run on Daniel Island and enjoy social time and drinks at New Realm Brewing after the route. Free to join and perfect for runners who love community and casual evening outings.

Join the ESIAC XC Worcester Prep 5k at Worcester Prep in Berlin MD on October 15 2025 for a scenic cross country challenge. Feel the local race day energy and test your speed and endurance.

Join the Wolfpack for Run with the Wolves XC Meet #2 on October 17 in Bluffdale for a fun, family friendly day of short cross country races for kids and youth across multiple age groups. Great for beginners and competitive teams alike.

Mines of Spain 100, held in Dubuque, Iowa, offers 100-mile and 100-kilometer ultramarathons on October 17-18, 2025. Set in the driftless region’s bluffs, prairies and forests above the Mississippi River valley, it delivers a true Midwest tr..

Event format Meyerhoff's Mayhem is a 48-hour endurance event featuring repeated short legs. Participants complete 4 miles every four hours for the 48-hour period, with an optional 2-mile add-on after the final leg. 4 miles repeated every 4..

Event The Commodore 24 Hour Challenge takes place at Gulf Coast State College in Panama City, FL on October 17, 2025. The event offers the following options: 48 mile SOLO 48 Mile 2 Person Relay Runners must be at least 16 years old. Regis..

Run the historic Pony Express Trail in western Utah with 50 mile and 100 mile options on rolling dirt roads beneath wide desert skies. This fast, low elevation course is remote and crew supported, ideal for first time ultrarunners or PR see..

The Sunshine Camp Trail Mix & Beer Fest is an annual 5K trail race held at Rochester Rotary Sunshine Camp in Rush, New York. This event supports children and young adults with disabilities by benefiting a fully accessible summer camp on 157..

BadgerPalooza is an ultra marathon hosted by the Williamstown Badger at Autumn Lake Winery in Williamstown, New Jersey. The centerpiece is a 24-hour challenge built from 24 laps of a 5K loop on winery grounds, totaling 74.4 miles for solo r..

Chattanooga Mountains Stage Race (October 17-19, 2025) The Chattanooga Mountains Stage Race is a three-day trail running event in the mountains around Chattanooga, TN. The event is a stage race totaling 60 miles across three distinct trail..

Event The Double Days 48 Hour Race is scheduled for October 17-18, 2025 in West Alexandria, Ohio, at 2575 St Rt 35E. The event offers timed endurance options: 48-Hour, 24-Hour, 12-Hour Run, and 12-Hour Ruck. Course and on-site features The..

Mini Barnyard Ultra at the Gallatin County Fairgrounds and Park in Glencoe, Kentucky, is Ridge Runners Racing's event with the Little Rooster Run. The ultra uses a 2.083-mile loop raced on a last-runner-standing format: runners complete a l..

The Kanawha Trace Darkness Falls Haunted Night Trail Run will take place in Ona on Friday 17 October 2025. You can run 5 kilometers.

Trick or Trot 5K Trail Run, presented by Mazda of Port Charlotte, takes place at Ann & Chuck Dever Regional Park in Englewood, Florida. The event features a 5K trail run on a mostly dirt and gravel course, plus a 1-mile trail walk dubbed th..

The SpiritWalk & Warrior Run will take place in Seattle on Saturday 18 October 2025. You can run 5 kilometers.

Rule the Roost in Chillicothe is a scenic figure eight trail race with 7K and 12 hour solo or relay options, perfect for fall colors and crew friendly support. Limited field makes this the RunFluent series finale you do not want to miss.

Coastal Walk & 5K Run is a charity running and walking event held at Assateague State Park in Berlin, Maryland, located at 6915 Stephen Decatur Highway. Organised to support Coastal Hospice, it offers two options: a Coastal Hospice 5K Run a..

Run Larch Madness at Loup Loup Ski Bowl near Twisp, WA on October 18, 2025, with distances from 5K to a rugged 50K. Scenic singletrack and off trail terrain, hearty aid stations, and proceeds support the Loup Loup Ski Education Foundation.