Trail Running calendar near Portland 2026-2027

A community fun run on 06/13/2026 behind Madbury Town Hall with a 1K kids run and a 5K route through Kingman Farm trails. Registration is free and donations for park improvements are accepted on the day.

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 mountain footrace beside the Mount Washington Cog Railway offering a 2.75 mile summit climb or a 5.5 mile roundtrip, steep grades and boulder fields, and highly variable summit weather.

A timed six hour endurance event on a flat four mile loop in Poland, Maine. Runners and walkers may complete unlimited loops and recorded mileage earns recognition.

A timed 5K loop through woods and fields at the Maine Outdoor Wellness Center on June 20, 2026. Bibs, water, snacks, and family activities are provided and a $15 registration supports community building and programming.

Muddy Princess Boston is a women-focused 5K obstacle mud run at Kimball Farm in Haverhill, MA on June 21, 2026. The event features muddy obstacles, hydration and rinse stations, participant items and a partnership with the National Breast C..

Field & Forest 5 Miler is a roughly 5 mile trail race on the Crystal Spring property in Brunswick, ME. The mostly off pavement course has single track and wood bridges, and the field is limited to 50 runners.

A trail 5 km race at Libby Hill Forest Trails in Gray, ME on June 21, 2026. Online registration is $15 through June 19, race day registration is $20 and students enter free. Proceeds support trail maintenance and door prize drawings are pla..

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 small weeknight trail race series around Portland, Maine offering four community focused events with courses from about 5K to 6.5 miles. Fields are capped at 75 runners and series awards recognize overall top finishers.

UltraTrax Cranmore is a single day endurance walk in North Conway where participants choose 7, 14, 21 or 28 miles to complete within 10 hours. Options include carrying 10, 20 or 35 pounds and earning a Grey Wolf medal at higher levels.

Team-based charity challenge in Bristol, NH on June 27, 2026 where teams of 6 to 12 complete Special Forces style stations at Recruit or Operator levels while fundraising supports veterans and first responders.

Second annual Kennebec Savings Bank East Bayside Trail Fest in Portland on June 28 2026 offers three trail events plus a post event celebration with music, food trucks and local beer. Proceeds support Portland Trails and the Bicycle Coaliti..

Muddy Princess Maine is a 5K obstacle mud run at Hemond's MX & Offroad Park in Minot, ME on June 28, 2026. The event supports the National Breast Cancer Foundation and includes medals, digital photos, hydration and rinse stations.

A community 5K in Tamworth on July 4, 2026 that runs from Ordination Rock to Kenneth Brett School over village streets and trails. Entry includes a commemorative gift, ice cream, and a bib raffle while youth under 18 run free.

A backyard ultra on Portland's Back Cove Trail where runners repeat an approximately 4.16 mile loop each hour until one remains. The mostly flat gravel route runs along a tidal estuary and includes staffed and unstaffed aid stations.

A 50K made of five 10K loops on technical forest singletrack near Northfield, New Hampshire. The limited field and looped format bring runners back to aid and the start area each lap while navigating rocks, roots, and steady elevation chang..

An uphill mountain trail race to Loon Mountain North Peak in Lincoln, New Hampshire, roughly 6.03 miles with about 3,066 ft of gain and sections up to a 40 percent grade, featuring over $20,000 in prize money.

A *9 miles* two-lap trail race at Bradbury Mountain State Park featuring hilly, technical single-track, a three-hour cutoff, a 160-runner cap, and organization by the nonprofit Trail Monster Running as part of a multi-race series.

Tough Mountain Challenge is a 5K obstacle race at Sunday River in Newry, Maine on July 25, 2026. The course features mud, water, walls and woods and the weekend includes a slopeside music party and lodging discounts.