Trail Running calendar near Darien 2026-2027

We have found 163 Trailruns within 80 miles of Darien. See below where and when you can find the races.

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 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 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..

August 2026

Experience the wooded trails of the historic Ward Pound Ridge Reservation in New York. This event offers 25K, 50K, and 50 mile distances featuring a mix of technical singletrack and runnable carriage roads.

Honoring September 11 heroes, this arena climb at TD Bank Ballpark features a 2,200 foot track through stadium aisles. Join a timed stair challenge or a flat concourse walk to support the Tunnel to Towers Foundation.

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.

The Running Wild at Wildwood Trail 2.5 Mile Trail Run/Walk will take place in Wading River on Saturday 8 August 2026. You can run 3 miles.

Experience the technical singletrack trails of Stokes State Forest at this inclusive trail party featuring 5K, 10K, and 17 mile options for runners and hikers of all paces.

The third annual Tappen Brook 5K in Bridgewater, CT, uses newly opened trails through Bridgewater Town Park with packed dirt and natural paths and views of Lake Lillinonah. Participants receive a race-day gift and top finishers earn prizes.

A community eight hour trail event of roughly 5K loops at Crandall's Park in Tolland, CT on August 15, 2026. The day includes a potluck, raffles per loop with prizes, and a 50th anniversary gift for runners who complete at least one loop.

Trail races at Fahnestock State Park near Cold Spring NY offer three distances on mixed runnable dirt roads and technical single track. Multiple aid stations and a post race meal are provided and proceeds support park conservation.

A 6 hour loop ultra and a 4.2 mile memorial run at Jug End State Reservation in Egremont, MA on August 22, 2026. The 4.2 mile trail runs through woods, fields and an apple orchard with about 830 feet elevation per lap.

A 6.5 mile trail race at Westmoreland Sanctuary in Mount Kisco on August 23, 2026, with start and finish at the Fox Lane High School campus and a non-perishable food collection for the Mt. Kisco Food Pantry.

September 2026

Experience Stratford’s dirty day on the beach at this 5k obstacle race featuring 18+ challenges through sand and water to support the Sterling Community Center.

Experience a scenic 3.3 mile trail run or hike through the Oswegatchie Hills Nature Preserve. Support local land conservation while enjoying a timed course around Clark Pond followed by an awards ceremony with refreshments.

A trail event in Rosendale, NY on the Shawangunk Ridge Trail offering 70 mile, 30 mile, and half marathon divisions. The course crosses varied terrain and is minimally supported so participants must carry food and water purification.

The City Challenge Race returns for its 12th year on the Jersey City waterfront. This is the only event of 2026, featuring a fast 3-mile urban obstacle course with over 20 unique challenges. Participants receive finisher medals, professiona..

Experience a diverse trail race at South Mountain Reservation featuring fire roads and single track trails. Choose from multiple distances ranging from a 5K to 50 miles with aid stations every three miles.

Trail race at Macedonia Brook State Park on 13 September 2026 featuring single-track forest trails, climbs, viewpoints and three distances: 50K, 25K and 12K.