Trail Running Calendar United States 2026-2027

A 12-hour endurance run at Oak Grove Lake Park in Chesapeake VA with repeated laps of a 1.5 mile unpaved, tree-lined loop and one aid station. The field is limited to 60 runners and registration closes July 25.

Five hours of repeating a 2.5 mile one-way single-track on Section 4 near Middleburg, FL, with limited support, cupless rules, and a small field capped at about 40 to 45 participants.

Part of the Palouse Road Runners summer series, the Warnick Trailhead 10k is an approximately 6.2 mile trail loop on Moscow Mountain with over 800 feet of climbing; results appear on UltraSignup.

A timed annual 5K cross-country race on the Pike XC Course behind Eastbrook Elementary in Indianapolis, organized for alumni and family with official results and no registration fee.

A scenic 2.5 mile trail run and walk at Wildwood State Park on August 8, 2026, with live results, free finish line photos, and personalized bibs for early registrants. Proceeds benefit the Friends of Wildwood State Park.

A trail running event on August 8, 2026 in Denali State Park offering a full 31 mile traverse and a 14.2 mile half. Registration is online only, limited to 100 entrants and filled on a first come first served basis.

Trail races at Mt Van Hoevenberg on August 8, 2026 offer 10K, half marathon and 50K courses over single track and steep terrain. Start and finish are in the venue stadium and course maps are provided.

Operation YOSEMITE 2026 is an in-person trail event in Mono County, California on August 8, 2026, offering four distances from 6 to 22 miles with a 20 lb dry load and specified elevation gains.

A trail event at Mason Creek Hike & Bike Trail in Katy offering 5K, 10K and a 13.1 mile half marathon on repeated out-and-back loops; registration is through RunSignup and a 3 hour 30 minute course time limit applies.

A paved out and back running event on the Spirit Trail in Knob Noster, Missouri. Distances include 5K, 10K, 15K and 20K, and all finishers receive a medal.

Timed 6 hour and 3 hour endurance runs on a 1.01 mile loop at Watershed Nature Center in Edwardsville, IL, with a mixed crushed limestone and pavement surface. Field limited to 120; proceeds support the nature center.

Experience a true off trail adventure at Blacktail Mountain Ski Area where navigation is key. Choose from distances up to 20 miles and explore the Montana wilderness through a unique route of your own making.

An evening trail race at Kanuga Conference Center in Hendersonville, NC, the Twilight Trail 5K features a 5K course on mixed surfaces with gentle climbs and offers onsite and virtual options. A Weekend Challenge links it to the Kanuga Triat..

The 21st Annual Reece's Roundup is a trail run and one-mile walk on August 8 at Philip S. Miller Park in Castle Rock, CO. Proceeds support a benefit fund for a child living with Spinal Muscular Atrophy.

Experience Minnesota's single track mountain bike trails at the Mount Roseau Trail Run. Choose between a 3.8 mile or 6.2 mile chip timed course featuring twisty paths and varied elevation.

Participate in a 5K run or walk at the Somerset Historical Center to support the North Star Cross Country team. Enjoy a dedicated cross country course with awards for various age groups and included event t-shirts.

A timed weekend event in Salem, Oregon offering 24 hour, 12 hour and 6 hour formats on a 1.05 mile mixed surface loop with chip timing and a single aid station. The course runs from Bush's Pasture Park with nearby parking and spectator acce..

Murderkill Ultramarathons at Killen's Pond State Park feature a 3.1 mile loop with 50 mile, 50K, and 12 hour options, manual lap counting, water provided, and a 30-runner cap per distance.

An evening trail event in Dixon, IL offering 5, 10 and 15 Miler options plus a 15 Miler relay. The looped grass, gravel, and dirt course includes single track, one aid station at start and finish, finish snacks, and awards.

A memorial trail run in the Jefferson National Forest featuring a roughly 60 km course and a 50 km Party Route option, three aid stations, limited entry, and a largely unmarked route supported by a GPX file and turnsheet.