United States close

Trail Running Calendar United States 2026-2027

Header image

Explore the best trail runs in the United States for 2026-2027! Our updated list features 3851 exciting trail runs across the country. Find your next trail run in the United States below and join the trail community at these great events!

August 2026
An approximately 203 mile out-and-back road ultramarathon from Walnut Beach to Wellsville with a six day cutoff and a 100 mile option.
A 5K trail run on the Flag Rock Area Trails in Norton held as part of the High Knob Outdoor Fest. Entry fees support the festival, awards go to the top three men and women, and all participants receive a 2026 festival T shirt.
An evening 3.6 mile trail run through Forest Park in Queens that visits 543 acres of wooded trails with rolling hills. After the run a festival area has music, vendors, food trucks and awards with participant tees provided.
Two short races at Boettler Park on August 13, 2026 organized by Summit Athletic Running Club. The 2 Mile is open to high school, middle school and open runners; awards and ribbons follow the races.
An evening at Cochran's Ski Area on August 13 with free trail, MTB and gravel rides, a youth MTB option, live music and local food and drinks.
A multi-date cross country series at College of the Canyons with campus and hillside courses, age-group divisions, chip timing, and a final race on August 13 with awards and a post-race dinner.
A 200 mile point to point endurance run across Mount St. Helens and the Cascade Mountains with multiple aid and sleep stations.
A 20 miles long single track trail race along Mount St. Helens' southwestern side, starting at Marble Mountain Sno Park, with lava fields, stream crossings and old growth forest.
Multi distance mountain trail event in the White Mountain National Forest around Waterville Valley with 100 mile, 50 mile and 20 mile courses and significant elevation gain.
A 9 mile trail run at Kohler Andrae State Park in Sheboygan with beach and cordwalk sections, one aid station, finishers awards, and an option to donate to the park.
Trail weekend in Marquette on August 14-15, 2026 featuring 50K, 50 Mile and 1 Mile options, limited fields, cupless aid stations, and community training runs.
An overnight time based trail event on Casper Mountain with 4 hour and 12 hour solo options and a 12 hour four person relay.
A Last Man Standing race in Inkom, Idaho on a 1.1 mile loop with 240 feet of elevation gain per loop and repeated 20 minute laps until one runner remains.
A mountain 100 mile ultramarathon near Durango Colorado covering about 104 miles and 19,000 ft of climbing, on high alpine trails with required safety gear and satellite tracking.
An evening 3.1 mile trail run in Houston, MS on August 14, 2026 that raises funds for HHS Basketball and includes post-race food trucks and a DJ.
A non competitive two mile run in Window Rock, Arizona on August 14, 2026, honoring the Navajo Code Talkers. Registration includes a performance shirt, sticker, post race snacks and a poster option.
A prayerful, non competitive 50 miles journey Aug 14 to 16 2026 from Yerington Paiute Tribe to Stewart Indian School, with a virtual 1 to 50 miles option Aug 8 to 16.
Aug 15 to 16, 2026 at Dillingham Ranch, Oahu : multi-distance Spartan obstacle weekend with Sprint, Super, Beast, Ultra, kids races and an obstacle workshop.
Timed loop endurance event in Lincoln Park Seattle with 3, 6, 12, and 18 hour options, kids Loopy Races, team competition, and a central festival style aid area.
Add Event
Help us complete the calendar!
  • Distance is at least 5 km
  • Event has a website or Facebook page
Website
Optional: Please provide your e-mail address if we may contact you.
Report a change
We will only update the data if the information is also on the website.