Trail Running calendar near Flemington 2026-2027

A multi-day timed running festival at the Sussex County Fairgrounds featuring a certified 1.000 mile loop, multiple timed race durations, certified marathon and 50K options, on-course timing display, aid station kitchen, camping and RV faci..

Trail races at Voorhees State Park on May 16, 2026 offering a 50k in five laps with UTMB index status and a 10k, both on marked trails with aid stations, on course amenities, and finisher medals.

Looped trail races in South Mountain Reservation offering distances from a kids 1-mile to a 50-mile ultra, with aid stations roughly every five miles and proceeds supporting the South Mountain Conservancy.

A technical mountain trail event in Norvin Green State Park near West Milford, NJ, offering a 50K, 10 Miler and 5 Miler with substantial elevation gain, mandatory 50K gear, cupless aid stations and a one-dollar carbon offset added to regist..

This 5.3-mile trail run at Frances Slocum State Park is the 34th annual spring event and a memorial for Jen Stec. It features a unique age-group graded, staggered start where awards go to the top 15 finishers. Registration is online only wi..

Experience the scenic beauty of the Brandywine Valley through forests and farmland. Choose between 10k, 25k, and 50k distances in this part of the USATF Mid Atlantic Off Road Series.

Trail marathon and 15-mile trail race at Bethpage State Park on May 17, 2026. Registration opens Feb 23 and a portion of proceeds supports the Long Island Greenbelt Trail Conference.

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..

Tough Mudder Philly on May 23, 2026 at Plantation Field near Coatesville, PA offers 5K and 15K obstacle courses, an Infinity multi lap format, a Mudder Village spectator area, and finisher medals, shirts, headbands, and a finisher drink.

A 4 mile out-and-back road and trail race in Forest Park, Queens on May 24, 2026, starting and finishing at Victory Field Track; entries capped at 500, guaranteed technical shirts for pre-registrants, custom medals for finishers and cash aw..

Experience a mix of road and single track trails at this Memorial Day Weekend event featuring a half marathon and a 5K. Test your skills on the rocky Plowville Section to support the Berks County Special Olympics.

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..

ENDURE is a Last Man Standing running event where participants complete a fixed loop every hour. The last runner standing wins, with a central hub for recovery and community. It's designed for all levels, from seasoned endurance athletes to..

The Tatum Classic is an inaugural trail race at Tatum Park in Middletown Township, NJ, run on a 4.75 mile repeatable loop with 1 lap, 30 kmish and 50 kmish options. Proceeds support MissionCleanWater's sustainable clean water projects.

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 summer half and full marathon through shaded sections of Pennypack Park alongside Pennypack Creek, with disposable chip timing, multiple aid stations, finisher medals and a German-themed post race party at Ed Kelly Amphitheater.

Goliathon is a non-profit, family-friendly ninja warrior style obstacle course run in Mullica Hill NJ. The roughly 4 mile course has 12 tiered obstacles with individual and team scoring across G1, G2 and G3 levels.

Join a unique non competitive group run along the D&R Canal Towpath with various distances and pace groups. Support the Rutgers Cancer Institute while running in a guided train formation to a celebratory picnic.

The Rockwood Ramble 10K offers a scenic run on carriage roads through the woods of Rockefeller State Park Preserve. The event features a standard 10K and a separate kids' run, with all proceeds supporting trail maintenance.

A free, timed 5K trail run at Crystal Lake Park on June 6, 2026, with a technical course of about 300 feet of elevation gain and a 40-runner field limit. Awards and a midway water station are provided.