Trail Running Calendar United States 2026-2027

Part of a weekly trail series at Catamount Outdoor Family Center in Williston, VT, this event offers 5 km and 2.5 km courses, adult and youth categories, weekly bibs at check-in, and weather and thunder policies with posted updates.

A one day community running festival in Seattle on July 22, 2026, with a social run offering 4 mile and 6.5 mile options, an expo with vendors and a raffle, and onsite giveaways and activities at Seven Hills Running.

A four-week Wednesday evening cross-country series at Ward Athletic Complex in Columbiana with chip-timed 3K and 5K races, weekly registration of $10 or $40 for all four weeks, and awards across multiple age divisions.

Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.

A weekly 8 week trail running series at Northshore Park in Flower Mound offering chip timed 5K and 10K races, weekly podiums and final series awards. Distances are approximate and courses are well marked.

Trail races at Snowbird, Utah cover distances from 10 km to 50 km with significant elevation gain and mountain summit views. The event is part of the UTMB World Series and is associated with UTMB Cares US environmental efforts.

Experience a relaxed weekend of mountain running and community at the Nantahala National Forest. This adult trail camp features group runs and forest adventures for all activity levels in a social campground setting.

A point to point 100 mile mountain ultramarathon in the Crazy Mountain Range of Montana, with about 23,000 feet of climb and peaks near 10,200 feet. The route is mostly single track with long remote and technical sections.

A multi-distance trail race series on the Maah Daah Hey Trail in the North Dakota Badlands offering courses from 5K to 116 miles with varied footing, creek crossings, aid stations and checkpoint support.

Experience the sunset at Nine Mile Recreation Area with a series of trail runs on single track mountain bike paths. Choose from multiple distances and navigate technical terrain using your own lights as the sun goes down.

Experience a true mountain ultra through the rugged alpine peaks and lakes of Northern Colorado. Navigate technical trails and high ridges across 60km or 100km courses in a wild wilderness setting.

A low key, mostly self supported trail ultramarathon on the historic Resurrection Pass Trail in Alaska offering 50 mile and 100 mile distances over late July dates.

A 24 hour endurance event at Montgomery Waller Community Park in San Diego on July 24, 2026. Runners loop a 1.22 mile course over trail, grass and bike path with formats from 6 hour to a HEFFTY Half Marathon and a $1500 purse prize.

La Nuit is an overnight trail running event at Cedar Ridge Preserve in Dallas using a repeated 3.2 mile loop for 1 mile, 5K, 10K, timed 3, 6 and 9 hour races and a three person 9 hour relay; aid stations provide food and drinks and proceeds..

Evening cross country races of 5k and 10k at Masterson Station Park on July 24, 2026, with music, food trucks and bourbon tastings. The 5k allows walkers and the 10k has a 16 minutes per mile cutoff.

A multi-day endurance gathering in Fort Worth featuring timed 48-hour and 24-hour runs, 6-hour rucks, and a virtual 48-hour option on a 1.25-mile loop with aid stations, indoor shelter, professional timing, and finisher awards.

A road race in Spanish Fork that follows the Spanish Fork River Trail from Canyon View Park to Sports Park, offering a 10K and a Kids 1 Mile, with chip timing, packet pick up, prize drawings, and a shuttle for participants.

An overnight team relay across coastal Maine from Ellsworth to Eastport covering 102.7 miles. Teams of four to eight run legs ranging from just under 4 miles to just over 10 miles on trails and coastal roads.

At the Goodridge Veterans Freedom Festival, the Freedom Run pairs a community 5K with a Backyard Ultra endurance race. The Backyard Ultra uses an hourly 4.167 mile loop and awards runners who complete 24 hours.

The Webster Trail Classic is a scenic trail run through three distinct parks in Webster, NY. Runners can choose between a 10-mile or a 3.5-mile course, each offering varied terrain. A free kids fun run is also part of the event.