Trail Running Calendar United States 2026-2027

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 three-day mountain running event at Big Sky Resort in Big Sky, Montana on September 11 to 13, 2026, featuring distances from a 1 km kids run to a 50.6-mile Trifecta; registration opens January 6, 2026.

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.

Three trail races along the Superior Hiking Trail on Minnesota’s North Shore: 100 miles, 50 miles and a 26.2 mile marathon-style course, held in Lutsen on September 11 and 12, 2026, with maps, aid stations and race support.

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.

Wasatch 100 is a 100 mile point to point trail run across the central Wasatch Mountains in Utah, from East Mountain Wilderness Park above Kaysville to Soldier Hollow, featuring about 24,000 feet of climb and 15 aid stations.

A multi-distance running event on a flat 1.05-mile loop in Longmont, Colorado, held September 11-12, 2026, honoring 9/11 with in-person and virtual options, race awards, on-course aid, and overnight food service.

A Last Man Standing loop race at Eagle Island Parkway where runners repeat a 4.167 mile loop each hour and must return to the start when the bell rings. There is also a timed 3 Loop Challenge and ITUS scoring options.

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 using almost perfect 10 km loops on Pleasant Valley, Hilltop and Sunken Garden trails. Main aid station offers hot food and a halfway mini station provides water and Gatorade.

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.

Experience the trails of China Camp State Park with a selection of distances including a 5K 10K and Half Marathon. Participants enjoy a post race festival with beer steins custom medals and local snacks.

A three day trail event at Rock Cut State Park featuring a night 10 km plus 25 km and 50 km races, with single race entries and Triple Crown series options that award commemorative spike prizes to finishers.

A trail running weekend near Marquette, Michigan featuring a half marathon, 5K, 5 mile hike and a free 1 mile kids race along Lake Superior. Packet pickup at South Beach and Little Presque Isle; parking is limited.

A memorial climb at the Tower of the Americas in San Antonio on September 11, 2026, honoring 344 fallen firefighters, 70 law enforcement officers and nine EMS tags. Participation is open to first responders, military and civilians.

A scenic point to point trail race around Emerald Bay of about 7 miles, featuring single-track sections, granite steps, and lake views, starting at Eagle Point and finishing at Lester Beach with a shuttle back to the start.

Trail races at Douthat State Park featuring a roughly 13-mile loop used for a 50K, marathon, half marathon, and a six-mile race, with multiple aid stations, loop-based finisher rules, and limited field sizes.

A demanding 17.1 mile mountain trail race connecting Ouray and Telluride over the high altitude Imogene Pass. This event features steep rocky terrain and strict cutoffs for prepared athletes.

A 10 mile trail race along the Pacific Crest Trail near Winthrop, WA on September 12, 2026. The field is limited to 460 runners and the event uses six self seeded waves; youth 17 and under race free with required registration.

A point to point trail weekend on the Mogollon Rim near Pine, Arizona, offering a 100 mile ultramarathon and a 42 km race with large elevation change, technical singletrack, and designated crew and aid station support.