Trail Running Calendar United States 2026-2027

A two-day trail festival at Bogus Basin featuring a Hill Climb plus 5 mile and 10 mile trail races, with proceeds benefiting Ridge to Rivers and the 10 mile serving as the USATF Snake River regional championship.

A night trail event at Land Heritage Institute on August 1, 2026 offering 5K, 17K, 35K, 50K and a 17K ruck option; headlamps and minimum water carry are required and aid stations provide food and hydration.

A trail event at Phipps Park west of Billings with 2, 4, 6, and 8 mile courses plus a virtual option, one aid station, no-paper-cup policy, awards, a $600 cash giveaway, and donations to local trail maintenance.

Run S'more 4-Miler is a July 31, 2026 running event on the Iron Horse Trail in Alliance, Ohio, featuring a 4-mile out and back course with both in person and virtual options; the race starts and finishes at First Christian Church.

Tough Mudder Indiana on August 1, 2026 at CERAland Park in Columbus offers 15K and 5K obstacle courses across woodland and farmland, spectator Mudder Village, group packages, and volunteer options.

Obstacle course weekend at Tryon International Equestrian Center on Aug 01 and 02, 2026 featuring Sprint, Super and Kids races plus workshops and spectator options on trails, clay climbs and creek beds.

Waldo 100K is a 100K loop ultramarathon near Oakridge, Oregon that starts at Willamette Pass Ski Area and climbs multiple mountains over remote single track trails with views of Waldo Lake. The event participates in a Trail to Zero carbon o..

Sheep Mountain Trail Runs in Fairplay, CO offers 50 mile, 50k and half marathon courses at high elevation with technical trails and forest roads. The event includes stocked aid stations, a finisher medal, drop down options and a 16 hour tim..

A 100-mile mountain trail race on Mt. Hood with a crew-accessible lollipop-loop course and 17,300 ft of ascent and descent, staged at Mt. Hood Meadows on August 1-2, 2026. Capped at 250, it is a Western States qualifier and requires a servi..

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.

Volcanic stages rugged trail races around Mt. St. Helens with a full circumnavigation 50K and a 25K that shares iconic volcanic terrain, steep climbs, boulder fields, river crossings, and substantial elevation change. Both races start and f..

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 near the Maine coast offering 5k, 10k, 25k and 50k routes with summit trails, aid stations and revenue donated to local conservation and Wabanaki organizations.

Oakadoke Trail Runs features tree-covered single-track, switchbacks and creek crossings on looped 4, 9 and 18 mile courses near Valparaiso, IN, with frequent aid stations and a cupless race format.

A mountain trail event in Aspen on August 1, 2026 offering 50K, marathon and heavy half-marathon mostly on dirt trails with significant elevation gain; limited on-course support and a finish festival at Rio Grande Park.

Trail running event in Cedar Hill, TX offering 54K, 36K, 18K, 10K and 5K distances. Registration closes Aug 1 at 11:59 PM CT. The event may be postponed for wet trails; refunds are not issued but race credits are available.

A high elevation trail race at Eagle Point Resort near Beaver, Utah, offering 100K, 70K, marathon and half marathon courses that feature sustained climbing, technical singletrack, aid stations, chip timing and required safety gear.

Event Overview The Steel City Human vs Horse is a simultaneous trail running and horseback endurance race. It is modeled after similar race formats in the UK and Arizona. Runners on foot and riders on horseback start together to see who can..

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 mountain trail races in Taos Ski Valley on August 1 and 2 2026 featuring a 10K with a 2,612 foot climb, a 20K double loop with 4,700 feet of gain, a vertical 1K, and a 1K kids run. A Double Trouble combined prize covers both da..