Trail Running Calendar United States 2025-2026

Badwater 135 is the legendary 135 mile ultramarathon from Death Valley to Whitney Portal, testing runners with extreme desert heat and massive climbs. Invitation only field and required crew support make it one of the most brutal road races..

Take on the Summit 200, a breathtaking 200 mile loop around Summit County, Colorado that climbs above 12,700 feet and delivers about 40,000 feet of gain. Expect remote high altitude single track, sparse aid and an epic endurance challenge.

Tackle a scenic but rugged three day stage race around Lake Sunapee covering about 75 miles and 15,500 ft of climbing across technical single track, fire roads and gravel. Prefer one day? A 50k option follows the same corridor with roughly..

Run the scenic George S. Mickelson Trail in the Black Hills at the Lean Horse Ultra Marathon in Custer, South Dakota. Distances from 100 mile to 20 mile plus relays offer a limestone trail challenge for solo runners and teams.

Join the Wild West Relay, a scenic point to point 200 miles across Colorado from Fort Collins to Steamboat Springs. Run solo or with teams from 1 up to 12 people as you tackle mountain passes, open roads and big western views.

Tackle high alpine trails at Sheep Mountain Trail Runs in Fairplay, Colorado on August 1, 2026, with options for a half marathon, 50k, or 50 mile. Expect rocky county and forest roads, aid stations, big views, and a supportive festival vibe..

Run 100 rugged miles around Mt Hood in the Hood Hundred, a mountain trail ultra with epic views, heavy climbing and full crew support. Finish under 34 hours to qualify for Western States and earn a custom metal belt buckle.

Run Volcanic, a rugged trail race on Mt. St. Helens with 50K and 25K courses through boulder fields, river crossings and blast zone terrain. Start and finish at Marble Mountain Sno Park for a true backcountry challenge.

Tackle 15 miles and 3,100 feet of climbing through high alpine La Plata Mountains, peaking near 12,200 feet at Kennebec Pass. Limited to 150 runners, this rugged trail race supports Search and Rescue and rewards top finishers with pies.

Blue Hill Mountain Trail Fest offers 5k to 50k trail distances on scenic coastal and forested routes with wildflower fields and summit views. Proceeds support local Indigenous groups and the land trust, and registration opens Jan 1, 2026.

Tackle scenic single track and winding trails at the Oakadoke Trail Runs in Valparaiso on August 1, 2026, with 4, 9, and 18 mile options. Enjoy creek crossings, farmland views and a friendly post race gathering for all finishers.

Run the Aspen Backcountry on August 1, 2026, a rugged trail race from Rio Grande Park that climbs into high alpine terrain. Choose from marathon, 50K or heavy half courses and enjoy scenic singletrack, remote aid and festival vibes.

Run under the stars at Cedar Hill State Park on August 1, 2026, with options from 5K to 54K along scenic Joe Pool Lake. Trails are moderate to challenging so bring lights and hydration for a memorable night of rugged fun.

Tushars Mountain Runs invites trail runners to tackle scenic high elevation trails around Eagle Point Resort in Beaver Utah. Choose distances from half marathon to 100K for big climbs, alpine views and supportive aid stations.

Experience Steel City Human vs Horse at Hillman State Park in Burgettstown, where runners and riders race side by side on scenic single track, gravel and meadow trails. Choose 20k, 50k or 50 mile distances and enjoy a unique race day.

Run scenic 5K, 10K or half marathon around Green Valley Lake with lake loops, forest trails and a steady climb to a sweeping viewpoint. Celebrate after with food, live music and community energy while supporting the Children's Forest.

Take on alpine trails at Taos Ski Valley during the Up & Over Trail Run Weekend, with a 10K climbing from 9,321 to 11,819 feet and sweeping views of Kachina and Wheeler Peaks. The weekend also features a steep vertical challenge and a fun k..

Run the Vineyards at Bohemia Manor Farm on Aug 1 features scenic 5K and challenging 8K routes through vineyards, riverside views, and wooded trails. Finish with a souvenir wine glass, live music and a waterfront after party for all to enjoy..

Enjoy scenic trails near Yellowstone with Marathon, half marathon and 10K routes featuring challenging climbs and single or double loops. Starts and finishes at Rendezvous Ski Trails with aid, GPX maps and a finishers medal.

Tackle rugged Wyoming wilderness trails at El Vaquero Loco in Afton, offering 31k and 50k options. A longtime community race supporting Star Valley High School Track and Cross Country, it blends scenic challenge with small town spirit.