Trail Running Calendar United States 2026-2027

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.

Two mile loop trail event at Horseshoe Bend Park near Frenchtown, NJ, offering distance and timed options from 10K to 100 miles. Central Base Camp appears every two miles with food, supplies, camping, and nearby parking.

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.

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 multi distance trail event at Little Presque Isle near Marquette featuring a half marathon with rugged lakeshore and ridge terrain, a 5K, a 5 mile hike, and a free untimed kids race on a bike path.

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 point-to-point trail race around Emerald Bay in Lake Tahoe, covering about 7 miles / 11 km on mostly single-track terrain with moderate climbs, technical granite steps, scenic lake views, shuttle service, and standard race amenities.

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 ten mile trail race along the Pacific Crest Trail near Winthrop, WA with six self seeding waves and a free entry option for runners 17 and under who register and sign a waiver. Registration is limited and has an August 1 deadline.

A point to point trail event on the Mogollon Rim near Pine, Arizona, offering about 102 miles and a 42 kilometer race across varied, technical forest and Rim terrain with significant elevation gain.

Sterling Down & Dirty 5K is an annual family friendly obstacle race on Stratford Short Beach each September. Participants tackle more than 18 obstacles, join teams to fundraise for the Sterling Community Center, or volunteer on race day.

A trail race weekend at Mendocino Woodlands Park featuring a half marathon, 10K and 6 and 12 hour timed events, combined with camping options, weekend food passes and evening live music.

A trail ultra at Clinton State Park built on a 25-mile loop, the Hawk Hundred offers 100, 50 and marathon distances with staffed aid stations, chip timing, and defined cutoff and deferral policies.

Trail races at Ontario County Park in Naples, NY on September 12, 2026, offering a long and short course alongside camping, post-race food and drink, event apparel, and awards for overall finishers.

A multi-division trail event on the Shawangunk Ridge near Rosendale NY offering 70 mile, 30 mile and half marathon options on an unsupported, fully blazed route with shuttle access and finisher shirts and medals.

A four mile obstacle course race in Tulsa on September 12, 2026 featuring over 25 obstacles and a kids course for ages 12 and under. The event is family owned and will be the only Conquer the Gauntlet race in 2026.