Trail Running Calendar United States 2026-2027

Mansfield Uphill is a 1.7-mile uphill race at Stowe Mountain Resort on June 21 and October 18, 2026, with proceeds supporting the Mansfield Nordic Pro Team. The field is limited, prizes are awarded at Midway Lodge, and a team Q&A follows.

A free, untimed community trail run on August 26, 2026 in Del Mar. The **3 mile** out and back on groomed trail is limited to 250 participants and includes a throwback shirt and medal from past ERS races.

A community trail event in Freeport, Maine on June 21, 2026 featuring a 5K loop through the school property plus a one mile kids run, part of Faith Fest with free registration from May 20 to June 21.

A five‑race 5K trail series at Camp Saratoga across summer Mondays, capped at 375 entries for the series. Individual races or a full series package are available and proceeds benefit the Wilton Wildlife Preserve & Park.

A weekly cross country series offering thirteen 5K races on Tuesday nights from April to July. The event takes place at Central Park in Parsippany and is open to all ages and abilities. Participants can register for the full series or pay f..

Trail run at Carkeek Park offering 5K and 10K courses on forested trails with varied surfaces and climbs. Aid station at the start/finish and post-race food, awards, and a raffle.

Weekly trail races at Catamount Outdoor Family Center in Williston offer 5 km and 2.5 km options with adult and youth categories. Events run rain or shine with a thunder policy, onsite bib pickup, and a water refill station.

A 5k trail run at Gypsum Canyon Wilderness on June 24, 2026 over fire roads and single track with about 350 ft of elevation gain. One aid station at mile 2.2 and a cupless race policy.

Explore the scenic trails of Monroe County during this four part mid week race series. Enjoy chip timed runs through various local parks along with post race cookouts and custom series participant awards.

A weekly eight week trail running series in Flower Mound featuring chip timed 5K and 10K races on marked singletrack with weekly awards, rain dates, and a no refund policy.

An 8.6 mile trail run at Minnewaska State Park Preserve on June 24, 2026, over unpaved carriage paths with chip timing and commemorative towels for all finishers.

Trail races at Solitude Resort on June 24 with short (4.97 mi, 881 ft) and long (7.0 mi, 1186 ft) courses, plus yoga, a DJ dance party, and on-site food service.

A summer trail series in Eden, Utah featuring 5k, 10k and a 13.23 mile half marathon at North Fork Park and Cutler Flats, with varied aid stations and a casual post-race gathering.

A community trail run at Woodland Trails Regional Park following the Prairie, Poplar, Wash Pond loop on mixed surfaces, followed by a casual social at AEGIR Brewing Company with MN Brewery Running Series and beverage options.

At 10,600 feet in Alma, Colorado, Race in the Clouds is a June 25 to 28 Dirt Fest featuring mountain biking, trail running, off road duathlon, youth races and meadow camping, with USA Triathlon sanctioning and age group awards.

A multi-day running and wellness camp at Stable View in Aiken, SC with trail runs, coaching and nutrition workshops, yoga, a self-defense session, chef-prepared meals, and on-site single or shared accommodations.

Three summer trail races at West Hill Dam in Uxbridge, MA, with well-marked wooded single and double-track courses, limited fields, age-group prizes, and a portion of fees donated to local food pantries.

A point-to-point trail race along Grand Ridge Trail from Duthie Hill Park to Central Park in Issaquah, covering just over 7 miles with about 1,000 feet of climb. Self-supported event with finish-line refreshments and category prizes.

A community relay on Auburn trails with 100 one mile legs and a separate 100 mile virtual challenge completed over 25 days, both offering tracking options and a finisher item for virtual participants.

Weeknight trail race series near Portland, Maine with small fields, courses of about 5K to 6.5 miles, partnerships with local land trusts, and series standings for runners who complete three or more events.