Trail Running Calendar United States 2026-2027

A half marathon and a 10K at Lums Pond State Park on 09/06/2026 using Little Jersey and Swamp Forest trails. Routes include single track and wider trails and have a relatively flat elevation profile.

A 6.45 miles trail race in Annadel State Park organized by the Empire Runners Club, held in early September with staggered age and gender starts, limited to 100 runners and awards for the top 13 finishers.

A five race Sunday series in MidCities, Texas featuring six hour loop races on roughly one mile courses with both hilly and mostly flat rounds. Series registration includes a shirt and a discount code while individual races are also availab..

A four-race cross country series in Spokane from Sept 6 to Oct 24, 2026, featuring 5K and 12K off-road races at Audubon Park, Qualchan Bluff, 7-Mile Airpark, and Mead HS. Team scoring and a $5 per-race discount for registering for all four..

Trail races at Frozen Head State Park near Wartburg TN offer a Half Marathon and a 50K on repeated ridge loops with substantial elevation gain, limited aid, and a capped field size.

The 61st Mt Baldy Run to the Top on September 7, 2026 is a fundraising mountain trail race in the Angeles National Forest covering about 7 miles with 4,000 feet of ascent to the 10,064 foot summit, with proceeds aiding local services.

Experience a long standing Labor Day tradition at Tulsa's Turkey Mountain Urban Wilderness. Runners navigate rugged trails under a thick forest canopy with a choice of two different race distances.

A Labor Day 5K cross country event at Brebeuf High School where each registrant joins a charity team and $15 of every entry supports the selected charity. Virtual participation and event jerseys are available.

A Labor Day trail event at McKee Employee Recreation Center featuring a 15K single-track loop, an 8K trail, and a 1K kids run with medals and shirts. Aid stations, course signage, and a cup-less hydration policy are provided.

A roughly 5K trail race at Dover Park in Billings, Montana, serving as the final race of the Free 3 series. The course runs on dirt trails, includes park views, and a potluck follows; the event is free for Yellowstone Rim Runners.

A multi day mountain running celebration in Big Sky, Montana in September 2026, featuring races from a 1K Runt Run to an 84K Trifecta and a Lone Peak Vertical Kilometer. The 2026 event is sold out except the free 1K Runt Run.

Snowbasin by UTMB is a trail race at Snowbasin Resort in the Northern Wasatch with flowing, runnable alpine trails and sustained climbs. Race options include 59 km and 29 km, and the weekend connects to Ogden’s downtown scene.

Trail race in Lutsen, MN on September 11 and 12, 2026 offering 100 mile, 50 mile and marathon options. Entry for 2026 used a lottery with registration open January 1 through January 15, 2026.

Run Woodstock is a two day trail running festival in Gregory, MI on September 11 and 12, 2026. It features races from 5 miles to 100 miles, on-site camping, live music and yoga, with finisher medals and event merchandise.

A 100 mile point to point trail run across the central Wasatch Mountains from East Mountain Wilderness Park to Soldier Hollow, featuring about 24,000 feet of ascent, 23,300 feet of descent, and 15 aid stations along alpine ridges and canyon..

A commemorative running event in Longmont, CO on a 1.05 mile loop with distances from 5K to 100 miles and virtual options. Aid stations, finisher awards, and participant shirts are provided.

A loop race in Eagle, ID where runners repeat a 4.167 mile circuit each hour until only one continues. A separate 3 Loop Challenge offers fastest male and female winners and can count for the Idaho Trail Series.

A camp-style trail ultra on a two-mile loop at Horseshoe Bend Park near Frenchtown, NJ, with frequent returns to a central Base Camp, night markings, varied aid station food, and unique wooden finisher awards.

A 24 hour loop challenge at Moraine State Park featuring nearly perfect 10K laps on Pleasant Valley Hilltop and Sunken Garden trails. Each loop is about 6.2 miles with roughly 723 feet of vertical gain and on course aid stations.

A two-day cross country festival at Apalachee Regional XC Park in Tallahassee with nighttime collegiate, high school, middle school, and open heats, multiple distances, and team amenities including a coaches’ box and reserved areas.