Trail Running calendar near Billings 2026-2027

A women-only 5K obstacle mud run in Pattersonville, NY on July 12, 2026, featuring 18+ obstacles and open to women aged 7 and older who may run, jog, or walk.

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..

Experience a midweek evening trail run through the diverse terrain of Bowdoin Park. This 5 mile race features a mix of grass and rocky trails with awards for top finishers and a food drive for the local pantry.

A 1 mile out and back on the Farmington Canal Heritage Trail with a crushed gravel surface and hand timing. Held July 19, 2026 in East Granby in two waves with limited parking; proceeds benefit charities.

Two trail-focused races at Beartown State Forest in Great Barrington, MA: a 5-mile loop around Benedict Pond and a roughly 13.5-mile half with significant climbing and technical terrain. The event is cupless with limited parking and shuttle..

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..

A trail party at South Mountain Reservation in West Orange NJ featuring 12 hour, 6 hour and 3 hour formats. Loop assignments are decided by drawing colored golf balls and proceeds support Bigger Than The Trail.

A third annual cross country event in Warwick, NY on July 25, 2026, featuring a mass-start 5k and a non-timed 400 m Kids Dash with finishers ribbons.

A 5.5 mile trail race at Soapstone Mountain with six steep ascents, a cupless water stop, strict parking limits and online registration capped at 50 runners; the course is technical and not recommended for novices.

A 30 km singletrack mountain race in the Catskills on July 26, 2026 with about 4,800 ft of climb and a six hour cut off. The remote route has limited aid, wave starts, and entry requires qualifying standards.

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..

A trail running event at Ward Pound Ridge Reservation offering 25K, 50K and 50M courses across wooded singletrack and carriage roads with runnable sections, ridge views, aid stations, and GPX course files.

Timed loop ultramarathon at Tamaques Park with 3, 6, 9, 12 and 24 hour options on 0.8-mile loops, pavement or gravel. Aid station, crew access, and a fundraising option that can earn a full refund while supporting MissionCleanWater.

Experience a technical seventeen mile trail run along the Hudson River cliffs with over five thousand feet of elevation change. High endurance is required for this rugged course featuring boulder scrambles and scenic river views.

An 8 hour track ultramarathon at Clapp Park in Pittsfield on a certified 0.355 mile dirt and cinder loop with chip timing, a bottle drop aid system, age group awards, and proceeds benefiting the AYJ Fund.

A scenic 2.5 mile trail run or walk at Wildwood State Park on August 8, 2026, held rain or shine. Online registration includes bib personalization if entered three weeks in advance and proceeds benefit Friends of Wildwood State Park.

A trail event at Stokes State Forest offering 5K, 10K, 10K Ruck (15 lb and 30 lb) and a 17 mile loop. Technical, rocky courses with aid stations, a six hour cut-off, youth discounts, and handcrafted wooden medals.

A short trail 5K through recently developed forested trails at Bridgewater Town Park on August 9, 2026. The third annual race is organized by The Bridgewater Land Trust and the Bridgewater Recreation Commission and includes participation gi..

Step Up for the Brave runs Aug 10–15, 2026 with 90 minute stair climb and walk challenges at Sacred Heart University plus a five day 40,000 step virtual challenge supporting veterans experiencing homelessness.

A community potluck and trail run in Tolland, CT on August 15, 2026. Participants run 5K loops during an eight hour period, earn raffle tickets per loop, and receive a 50th anniversary gift after completing a loop.