Trail Running Calendar United States 2026-2027

A half marathon and a 5K on the Lehigh Valley Trail in Mendon on August 23, 2026. The half is USATF certified and part of the Rochester Runner of the Year series, with prizes and commemorative items for early registrants.

A two loop 4.15 mile cross country race on the fire roads of the UC Santa Cruz campus, starting and finishing at the meadow above the fire station and included in the Pacific Association USATF Grand Prix series.

East Lansing event on August 23, 2026 with a timed 5k on mostly grass trails and an untimed 1 mile fun run for kids. Hosted by the East Lansing Educational Foundation; registration fees apply.

OakRunner Trail Run features 5K and 10K mountain trail courses at Oak Mountain in Speculator, NY. The route runs on wooded, uneven trails with climbs and descents and a portion of proceeds benefits the Oak Mountain Race Team.

Two 5K cross country races at The Course in Spokane Valley on August 23, 2026, organized by the Bloomsday Road Runners Club. Entry fees, youth pricing, awards for top finishers, and a 1970s style headband for all finishers.

A self-timed 5 miles on a packed rail trail in Darlington, Maryland, held as part of the Harford County Running Club Dog Days of Summer Series. The course is stroller friendly with parking at Fisherman's Log and free registration.

The Old Ephraim 200 will take place in Logan on Monday 24 August 2026. You can run 215 miles.

A fast, flat 12 km trail race on the Valley Trail at Lory State Park, part of a four-race August series. Entrants are capped and timed with chips; vintage race shirts and post-race food and beverages are provided.

A weekly trail race series in Williston, VT offering 5 km and 2.5 km options with adult and youth categories, bib pickup and on-course water refill. Events run rain or shine and follow a posted thunder and cancellation policy.

An untimed 3.1 mile vineyard run plus a short kids run at Bishop Estate Vineyard & Winery in Perkasie, PA, featuring grass trails, a finisher's medal, onsite wine and grape juice tasting, food trucks and activities. Proceeds benefit the Hil..

A 5k trail run at Red Rock Wilderness near Silverado, CA featuring fire roads and single track, 300 feet of climbing, one aid station, a cupless policy, and no pets allowed.

A free, untimed 3 mile trail run for the local trail community with a grab bag of vintage ERS swag, limited to 250 participants and held near the San Dieguito Lagoon on August 26, 2026.

A cross-country 5K and 10K at Talon Winery in Lexington with finisher awards and a wine drink ticket; under-21 participants receive the award but not the wine. The event includes wine sales, live music, and an after-party in the tasting roo..

A three day mountain running weekend at Skeetawk Ski Area near Palmer, AK, held August 28 to 30, 2026. Events range from a 1 km youth uphill and a VK to a 12K loop and a technical 37K skyrunning course.

A weekend of trail races at Camp Mack in Newmanstown PA featuring a night 3.5 mile race, chip timed 12/6/3 hour endurance on a 3.4 mile loop, and free kids races with two course options.

Trail Soldier Hollow is a two day team relay on August 28-29, 2026 at Soldier Hollow Nordic Center in Midway, Utah. The 120 mile course averages 15 miles per runner and features ridgelines and views of Mount Timpanogos and Deer Creek Reserv..

A nighttime 5K and 10K loop run in Downtown Fort Worth along the Trinity River under the full moon, on mostly grass and gravel with one climb per loop. Chip timing, T shirts and medals included; proceeds support a local wolfdog sanctuary.

A night trail run on private ranch trails in Alpine, California, under reflective course markers. Multiple loop distances are offered, headlamps are required, camping is available and aid stations will be illuminated.

Friday Night Lights Elon Opener is Elon's cross country season opener on August 28, 2026 in Elon, North Carolina. Women run four 1000 meter laps and men run six 1000 meter laps in an evening cross country meet.

NorCal Spartan Event Weekend at Mahon Ranch in Elk Grove, CA on Aug 29 to 30 2026 offers Sprint, Super and kids obstacle races across rolling trails and river crossings. Team entries and service member discounts are available.