Trail Running Calendar United States 2026-2027

A one-loop trail run of 4.167 miles plus a Last One Standing endurance event where runners repeat the same loop hourly until only one remains. Registration opens April 9 and closes July 13, 2026.

An annual trail run and family day in Fort Atkinson that raises funds for research into ataxia-telangiectasia. The event includes a 5k trail run, a one mile walk, kids races, and a virtual participation option.

A chip timed trail event at Camp Skyline in Almont featuring a 5K and a 1 mile course across wooded trails, fields, and a private dirt road. Post race snacks, s'mores, and awards for top finishers are included.

A September cross country festival in Oxford, North Carolina, with open 6 km and 8 km races plus youth, school, and collegiate divisions. Courses run on grass fields and farm roads and proceeds partly benefit local organizations.

A 12 Mile uphill trail race at Purgatory Resort in Durango, Colorado on September 26, 2026. The single track course climbs from the base to the summit and concludes with a post race celebration including food and beer.

Cancer Warrior 5K on September 26, 2026 is a community running event supporting cancer research. The day includes an after party at Independent Brewing, raffle items from local sponsors, and a ghost runner option for remote participants.

John Wayne Grit Series Moab on September 26 2026 features a Half Marathon and 10K through red rock country near Moab, with packet pickup and shuttle service from Red Cliffs Lodge, aid stations on course, and finisher mug and shirt.

A trail event at the Schuylkill Center in Philadelphia on September 26, 2026, featuring a 7-mile loop over varied singletrack. Participants choose one to four loops, may add weight, and have timed results, aid stations, and finisher gear.

At Willamette Mission State Park, Mission Possible offers chip-timed 5K and 10K trail races plus accessible 2.25- and 1.6-mile All Abilities loops, volunteers on course, and post-event pancakes; part of fees support the All Abilities event.

A community trail event at Woodlands Preserve in Belle Chasse on September 26, 2026 featuring a 5K and a 1 mile fun run. Proceeds and registration fees support Woodlands Conservancy land protection and restoration.

OUTLAST Colorado Springs is a 6 hour trail challenge with a 5K lap every hour for six rounds. Patches and a medal are awarded for laps completed and finishers are ranked on a national leaderboard with cash prizes for top times.

A fourth annual trail run in Lakeland, TN focused on stormwater education and green infrastructure, featuring a 3 mile trail and a 1 mile fun run plus a park Water Quality Festival with music and food trucks.

A 50K trail race at Little Pine State Park near Waterville, PA on September 26, 2026. The route follows rugged, technical trails with about 7,500 feet of climbing and an 11 hour cutoff; median finish is about 7 hours 45 minutes.

Granite Mountain Grind is an inaugural 50K trail race in Prescott, Arizona through the Granite Mountains with rocky climbs, technical singletrack and high desert views. The field is limited to 100 runners and the race is fully supported.

A point to point ultramarathon on the Laurel Highlands Hiking Trail from Mile 46 to Mile 0 near Ohiopyle. Features a 50 mile individual race and a five person relay with multiple stocked aid stations and designated crew access points.

Trail races at Salem Lake Marina feature a 30K, a 7-mile loop, and a 5K on a mostly shaded wooded trail, with water stops, packet pickup, post-race food and beer, and proceeds benefiting the Salem Lake Trail System.

A quarry-based 5K at Luck Stone Rockville on September 26, 2026, featuring gravel terrain, quarry views, vendors, family activities, and raffles. Registration opens May 21 with a $25 fee.

A multisport festival for people who identify as women at Pawtuckaway State Park on September 26, 2026, offering triathlon, two sport, single sport and relay options on supported swim, trail bike and trail run courses.

A multi-distance event in Sugar Land on 09/26/2026 offering a half marathon, 10K, 5K, 1 mile, kid's dash, volunteer option, and a virtual race, with event shirts, finisher medals, and chip-timed results for several distances.

Final race of the 2026 Black Hills Runners Club Trail Series at Alkali Trailhead in Sturgis, SD, with 10K and 18K courses through rolling hills and pine singletrack; youth entries are listed as free.