Trail Running Calendar United States 2026-2027

A night trail running event at Land Heritage Institute in San Antonio offering multiple distances including 50K and a 17K ruck option. The course is on dirt trails with aid stations, finisher medals, and event shirts.

An inaugural 4 mile event on July 31, 2026 at Iron Horse Trail in Alliance, Ohio, with in-person and virtual 4 mile options. Registration runs March 28 to July 24 with a $35 fee and includes a bib, shirt, and medal.

Evening trail races in Kansas City KS with 5k and 10k options plus a combined 15k double. Courses use older trail routes, can be muddy, include notable elevation gain, and offer awards plus postrace food.

Tough Mudder Indiana at CERAland Park on August 1, 2026 features 15K and 5K obstacle courses across woodland and farmland, finisher items, spectator village options, group packages, volunteer roles, and Spartan Hurricane Heat events alongsi..

Obstacle-course races at Tryon International Equestrian Center on Aug 01–02, 2026 feature horse-trail terrain, red clay hill climbs, creek beds, multiple obstacles, a pre-race workshop, kids races, and spectator access.

A loop ultramarathon around Waldo Lake that starts and finishes at Willamette Pass Ski Area near Oakridge, Oregon. The mostly single track course climbs several peaks and includes remote trail sections and lake views.

Experience high elevation trail running in the mountains of Fairplay Colorado. This event offers three distances ranging from a half marathon on forest roads to technical ultramarathons through remote wilderness terrain.

Hood Hundred is a 100 mile mountain trail race on Mt Hood staged at Mt Hood Meadows. The lollipop loop course includes 17,300 feet of ascent and descent, is a Western States qualifier, and has a 34 hour cutoff.

Test your endurance at Cooper River Park on a fast and flat 3.75 mile paved loop. Choose from 12 hour, 24 hour, or 100 mile challenges with great views of Philly and full aid station support.

A remote trail event around Mt St Helens offering 50K and 25K courses over lava fields, boulder terrain, rivers, and forest. The 50K requires a prior trail 50K and mandatory safety gear.

A 15 mile mountain trail run on August 1, 2026 that climbs about 3,100 feet and reaches over 12,000 feet at Kennebec Pass. The course offers alpine terrain and views of the Animas and Dolores River valleys while supporting La Plata County S..

A multi distance trail event on Blue Hill Mountain in Blue Hill, ME featuring 5k, 10k, 25k and 50k figure eight courses with summit trails and coastal views. Proceeds support Blue Hill Heritage Trust and Wabanaki Alliance.

Midwest trail races at Creekside Trails in Valparaiso, IN offering 4, 9, and 18 mile options over single-track, switchbacks and creek crossings. Aid stations, a cupless format, post race meal and custom finisher awards are provided.

A multi-distance trail running event in Aspen, Colorado, held on mostly dirt trails with substantial elevation gain. The race centers at Rio Grande Park and takes place alongside a park festival that includes live music and food.

A night trail race at Cedar Hill State Park with approximate distances 5K, 10K, 18K, 36K and 54K on the DORBA trail system. Hydration devices are required, aid station coverage varies, and illumination is needed after dark.

Tushars Ultras in Beaver, Utah on August 1, 2026 offers 100K, 70K, marathon and half marathon mountain courses at high elevation with technical single track, substantial climbing and mandatory safety gear.

Trail runners and horseback riders share a mixed single track, gravel and meadow course in Burgettstown, PA, with distances from a fun 10k to 50 miles and equestrian entries following AERC rules.

Experience a scenic mountain race through the pine forests of the San Bernardino National Forest. Run alongside the lake and onto forest trails with distances including a 5k, 10k, and Half Marathon.

A weekend of high altitude trail races in Taos Ski Valley on August 1–2, 2026, including a 10K with large elevation gain, a new 20K with entry standards and time limit, a vertical 1K, and a kids 1K.

Trail races at Bohemia Manor Farm Winery featuring *5K* and *8K* courses through vineyards, riverfront and wooded trails, chip timing with live results, finisher wine glass and an on-site after party with music and food.