Trail Running Calendar United States 2026-2027

Trail-style 5K and 10K at Dirt Farm Brewing in Bluemont, VA on August 29, 2026, featuring rugged terrain, steep climbs, and virtual entry options with medals and shirts.

Tough Mudder Chicago at Richardson Adventure Farm on August 29, 2026 combines mud and named obstacles with 5K, 15K, and Infinity lap options plus a Mudder Village festival and finisher rewards.

A weekend of Sprint, Super and Beast Spartan obstacle races at Summit Bechtel Reserve on Aug 29-30 2026, featuring steep hills, water features, a suspension bridge, and trail race additions.

Trail races at the Switchgrass Mountain Bike Trail in Wilson State Park offering a half marathon and a 50k with significant elevation gain. The single-track course is well marked, with stocked aid stations, drop bag locations, crew restrict..

Trail races at Mt. St. Helens Science & Learning Center feature 50K, 20 mile and half marathon loop courses with significant elevation gain and extensive singletrack. The event includes campsite facilities and a Friday community night with..

A 10 hour endurance run at Bluhm County Park on August 29, 2026, using a 4 to 4.1 mile loop completed on an hourly clock. Runners earn chips after four loops to trade for prizes and receive a limited edition shirt and wooden medal.

A trail race on August 29, 2026 in Chequamegon-Nicolet National Forest offering 100 mile, 100k, and 50k distances. Much of the course follows the Ice Age Trail through forests, lakes, rocky terrain, and prairie sections.

Get ready to get dirty at Phil Moore Park. This 3-mile obstacle run features over 20 natural and man-made challenges through the park. A free kids' play area and group discounts make it a muddy adventure for the whole crew.

A 50 mile point to point ultramarathon on the Baker Trail covering the northern section to Brookville. The course mixes single track, forest and road sections, allows individual runners or five-person relay teams, and includes guided traini..

Leaky Hourglass Ultra is a Last Man Standing race in Half Way, Missouri where each 4.167 mile out and back lap reduces the cutoff by one minute. The rural chip and sealed highway course includes rolling hills and two aid stations.

An 8.88 hours timed loop trail event at Sweetwater State Park on Aug 29, 2026. The multi loop course crosses a river and wooded hills and uses chip timing with live lap counting.

Trail races on August 29 and 30, 2026 offering 50 Mile, 50K, 26.2 Mile and 13.1 Mile distances. Registration is closed and a wait list will be available; organizers state the race includes notably large finisher medals.

Trail races at Grand Targhee on August 29, 2026 cover 7.1 miles with 2,212 feet of vertical gain across Sport, Expert, and Pro divisions plus a volunteer category. Per race prizes and season points are awarded and the field is capped at 500..

Experience the rugged beauty of Salt Springs Park with technical trail races through old growth forests and wetlands. Choose between 5K, 10K, or a demanding 50K ultra featuring 7,000 feet of elevation gain.

Trail event at Queeny Park on August 29, 2026 offering 5K, 10K, 10K Ruck and half marathon with chip timing, aid stations, finisher medal, T shirt, backpack and age group podium awards.

Rock Hawk Trail Races offer 50K, 25K, 10K and 5K trail courses at Philip S. Miller Park in Castle Rock, Colorado. The event features cup free aid stations, drop bag service, live split tracking, and proceeds supporting local open spaces.

Trail races in St. Croix Falls with marathon, half marathon and 10K courses on mixed trails and paved sections, limited to 150 online entries and open registration from Nov 28, 2025 to Aug 25, 2026.

A multi-distance trail event in Waterville Valley, NH on August 29, 2026 featuring a 50K around 4,000 foot peaks, a 23K on historic trails, a 4 mile forest course, and a 1 mile Bear Cub Fun Run for children.

A trail event at Kansas Maze in Buhler, Kansas that sends runners through over 20 acres of sunflowers. Offers 5K and 1 mile options on August 29, 2026 with finisher shirts, medals, and on site festival perks.

Muddy Dash Maryland is a mud obstacle event at Budds Creek Motocross Park on August 29, 2026 with Value and VIP registration options, on site packet pickup the day before, possible venue parking fees, and free spectator access.