Trail Running calendar near Flemington 2026-2027

We have found 107 Trailruns within 80 miles of Flemington. See below where and when you can find the races.

Join the XC Summer Series, a friendly weekly cross country 5K on Tuesday nights in Parsippany from April 28 to September 1, 2026. All ages and abilities welcome, walkers included, with chip timing and after race refreshments.

Run for Thorncroft in Malvern on September 3, 2026 offers a 5K trail run, a 5K walk, and a one mile Move As You Please, followed by an after-party with live music, food trucks, a beer garden and pony meet and greets.

Celebrate Labor Day at William Heritage Winery with a chip timed 5K on scenic vineyard paths plus one mile and kids races for all ages. Finishers 21 and over get a souvenir glass and a complimentary wine while supporting HEADstrong.

Trail ultraruns at Hickory Run State Park near Jim Thorpe, PA feature 100K, 50K and 18 mile options on a figure eight 50K loop with single track, a boulder field, and the rugged Shades of Death Trail.

A mixed-surface trail event at South Mountain Reservation in South Orange offering distances from 5K up to 50M, with aid stations roughly every three miles and course maps available.

The Wild Goose Trail Festival will take place in West Milford from Saturday 19 September 2026 to Sunday 20 September 2026. You can run between 10 and 36 hours.

Charge up the Palisades at the Hook Mountain Ultra in Upper Nyack, NY, with 50 mile and 27 mile trail options featuring big climbs and Hudson River views. Challenging technical terrain and well stocked aid stations keep you moving.

October 2026

The Camp Innabah Fall Classic will take place in Spring City on Saturday 3 October 2026. You can run 5 miles.

Run a 5K or walk the cross country trails at On Point Farm on Saturday, October 3. The event features live music, food, a bonfire and family activities, and proceeds support preservation of the Willistown countryside.

A 50K trail ultramarathon circling Blue Marsh Lake near Reading PA, featuring single track, rolling hills, a 240 foot climb called the Ski Slope, and an optional water crossing. Relay teams of 2 to 4 runners share four legs.

A vineyard race at White Horse Winery in Hammonton offering 10K, 5K and a 1 mile walk, with chip timing, awards, on-site wine and a post-race party; proceeds support the HEADstrong Foundation.

A single-loop half marathon through five parks in lower Westchester County, New York, starting at the Thomas Paine Cottage and finishing at New Rochelle High School. Mostly shaded dirt trails with varied wildlife and published race results.

Scenic lake loop trail runs at Lums Pond State Park offer everything from a single lap 12 KM to a 24 KM and 12 hour solo or 4 person relay. Aid stations and race day bib pickup make it a relaxed fall challenge.

A fall trail half marathon and 10K through Harriman State Park on October 18, 2026, featuring technical singletrack, steep climbs, and marked aid stations. The event supports the New York and New Jersey Trail Conference and is capped at 175..

Run Clinton Road with volunteer zombies and themed aid stations for a spooky, fun challenge this October. Choose a Zombie Crawl, 5k or 10k and celebrate at the finish line festival with music, a costume contest and a Survivor Medal for all..

Run the mostly flat, fast lollipop loop at Parvin State Park in the Hot Mess Trail Races, offering a Half Marathon or a 6 hour lap event. This cupless race asks runners to carry their own cup and pack out trash.

November 2026

A loop trail event at Jacobsburg State Park run clockwise for this edition, offering a roughly five mile loop as a 5 mile, 3 hour, or 6 hour format. The race is cupless, self-supported, and organized as a zero carbon event.

Trail marathon and half marathon in Rockefeller State Preserve with start and finish at Rockwood Hall. Courses use wide, groomed carriage roads and offer run and walk options with charity bib entries.

Run the Vineyards in Unionville invites runners and walkers to scenic 5K and 8K trail courses through vineyard rows with live results and lively post race music. Every finisher receives a stemless wine glass and a post race pour, plus a tec..

Forbidden Run Fest takes runners through scenic Wissahickon Valley Park with 10K, 10 mile and half marathon options on gravel, dirt and single track trails. Limited to 750 entries, all finishers get a medal and sweatshirt and enjoy post rac..