Trail Running Calendar United States 2026-2027

Run De Tour is a two part trail running event in Anchorage on June 14 and Aug. 1st, using Double Bubble and Spencer Trails. Distances include 20 km, 10 km, and 5 km; fees apply and entries are non refundable.

A family-friendly three-loop course of about 5 km through Natick Community Organic Farm with mixed trail, field and road surfaces. All participants receive a chicken medal and proceeds support the farm’s education and teen programs.

A 5.6 K trail run and walk at Berry Pond in Harold Parker State Forest on June 14, 2026. Walkers and leashed dogs are welcome; prizes are awarded, all entrants receive a bandana, and hotdogs are provided after the race.

A self-timed 4 miles run in Bel Air as part of the Harford County Running Club Dog Days of Summer Series. The course mixes trail and road, is not stroller friendly, and parking is at Prospect Mill Park.

Asphalt Jackal Marathon and Half Marathon take place June 15, 2026 in and around Jackson, Tennessee. The course is flat and paved and the event is one race in a five day Jackal marathon series.

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..

Part of a five-day Jackal series near Jackson, Tennessee on June 16, 2026, the Dragonfly Jackal offers marathon and half marathon distances on a flat, paved looped course.

A three-race summer trail series at Sandy Bottom Nature Park organized by the Peninsula Track Club, featuring 5K, 4-mile, and 5-mile events plus a full-series entry and awards across age groups and walker categories.

A weekly trail running series at Catamount Outdoor Family Center in Williston offering 5 km and 2.5 km options, rain or shine, with published per-night fees, a thunder delay policy, weekly bibs, and on-site water refill.

Four Tuesday evenings of cross country racing at Grove 4 in Donaldson Park offering 5k, 2.5k and youth distances. Series and single race entries have tiered fees with member and youth discounts plus post race food and awards.

A chip timed 5 kilometer trail loop at French Regional Park in Plymouth, Minnesota on June 17, 2026. The course is wide and non-technical with about 210 feet of elevation gain, no midcourse water stop, and a 425 runner field limit.

Part of a five-day series in Jackson, Tennessee, the Native Jackal offers a marathon and a 10.6-mile option on mostly wooded looped trails with a paved 1.1 mile section at the start of each loop and notable climbs.

A seven race summer 5k series in Civic Park, Black Diamond with free single registration, hand timed open course, post race refreshments, and season prizes for participants who run at least four events.

An eight week trail running series at Northshore Park in Flower Mound offering 5K and 10K singletrack races with chip timing, weekly podiums and final series awards. Registrations are final; transfers are allowed and weather credits apply.

A low-key evening trail race series in Forest Park with three five-race Series from April to October, featuring hilly courses of about 4 to 7 miles. Series standings require at least four races and the event benefits the Forest Park Conserv..

A three day stage race in Kodiak, Alaska, featuring one mountain run per day on Heitman, Sharatin, and Pyramid. The series covers about 20 miles with 8,000 feet of total ascent and is sanctioned by USATF.

A four-race trail series in Bend, Oregon, held April 16 to July 16, 2026, with courses of 4 to 7 miles. Series registration covers all four races and single-race on site registration is available for $25 cash.

Teams are driven blindfolded several miles to an unknown location, then must navigate back to the start by the shortest route. This free team event uses cross country scoring and prohibits GPS, phones, and running on I 95 or I 495.

A 100-mile ultramarathon in Burney, California on June 19-20, 2026, organized by Intermountain Endurance. The event follows a cupless aid station policy and the organizer offers free registration to Indigenous runners.

Broken Arrow Skyrace is a multi day mountain running event at Palisades Tahoe offering distances from a kids race to a 46K, technical high alpine terrain, field limits on select races, and prize money for elite divisions.