Trail Running calendar near Clark 2026-2027

FSX Black Friday 100 is a one-day ride and run on the Fifth Street Cross course in Emmaus, offering distances from 10k to 100 miles plus relay and mixed run and ride options. Entry is $25 plus a 6-pack or a $20 prize pot contribution.

A trail party on November 28, 2026 at South Mountain Reservation in West Orange, NJ, featuring 5K, 10K, 25K, 50K and a Kids 1M on a 5K loop. The course mixes carriage roads and technical singletrack and supports Bigger Than The Trail.

Experience a 5K trail race through the scenic Stillwell Woods Preserve in Woodbury. This event honors the memory of Rob Lauterborn and supports the Center for Developmental Disabilities.

A trail 6K through Institute Woods with a non-competitive 3K option for paces over 15 minutes per mile. Registrations are limited to 200, a fee applies, and post-run refreshments are provided.

Trail races at South Mountain Reservation feature 5K, 10K and 13.1 miles on looped courses over fire roads, single track, hills and pavement, with aid about every three miles and race day registration available.

A looped road ultra in Prospect Park, Brooklyn on Dec 6, 2026 offering 50-mile and 50k options over 3.33-mile loops, with a 15 hour cut-off, Skratch Labs hydration, pot-luck aid, and finisher buckles.

A looped trail event in Holmdel Park with a roughly 4.65-mile lap, varied terrain, RFID lap timing, a single start/finish aid station, and proceeds supporting MissionCleanWater.

Experience a fast and flat end of year ultra at Cooper River Park. Run a paved 3.75 mile loop featuring views of the Philadelphia skyline and access to a fully stocked aid station throughout the day.

Experience an exclusive trail run through the scenic Roosevelt Forest in Stratford. This 5K event features a natural off-road course limited to a small group of participants and includes custom finisher medallions.

Trail races at South Mountain Reservation include 5K, 10K and 13.1 mile looped courses with aid stations every 3 miles. Courses use fire roads, single track, hills and some pavement and offer advance and day-of registration.

A winter trail party on a 5K loop offering 5K, 3 hour, 6 hour, and 3 hour rucking divisions, with proceeds benefiting the South Mountain Conservancy. The course mixes carriage roads and technical singletrack with about 300 feet gain per loo..

A onesie-themed 5K at Ramapo Valley County Reservation on February 14, 2027, run on a flat scenic loop around Scarlet Oak Pond. The event is capped at 200 participants, has no cutoff, offers adaptive support, and includes a finisher medal.

Trail races on a 10 mile loop at South Mountain Reservation offering 50M, 50K, 20M and 10M with marked trails, three aid stations per loop, timing, SWAG, and awards for top three male and female finishers.

A timed loop event at the Oval in Livingston NJ offering 12 hour, 6 hour, 3 hour and 1 hour races on a USATF certified flat course. Awards include plaques and participants receive a cap or winter hat with an opt out discount.

A multi-loop trail race at South Mountain Reservation offering 11M, 20M, 50K and 50M options on three marked loops with varied terrain, significant elevation gain, a single finish-area aid station, and support for the South Mountain Conserv..

A trail 5K and free kiddie run at Bethpage State Park with soft trails, event shirts, post race refreshments and a virtual option; proceeds support the Never Stop Running Foundation.

A community 5K run and walk at Bethpage State Park on scenic soft trails, with a free kiddie run and a virtual option. Proceeds support the Never Stop Running Foundation.

A mountain trail event at Harriman State Park on April 3, 2027 offering a half marathon, a 10K and a 10K ruck on rugged technical trails with significant elevation gain. Entry is capped at 400 and proceeds support trail maintenance.

A community trail event in Cross River, NY featuring a hilly wooded 5K, a 4K walk through the main trail, and a 200 m kids dash on the contest track. Registration opens 8/24/2026 with limited pre-registration t-shirt incentives.

A weeklong track ultramarathon at Cooper River Park with events from 6 hours to 144 hours on a USATF-certified 399.519 m track, chip timing, catered meals, vegan-friendly aid, and awards for milestone distances.