Trail Running calendar near Randolph 2026-2027

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 January trail party using a 5K loop with three hour and six hour options plus a 3H ruck. Mixed carriage roads and technical singletrack, limited field size, and proceeds benefit the South Mountain Conservancy.

A winter trail event at Ramapo Valley County Reservation on February 14, 2027 featuring a flat, scenic lollipop loop around Scarlet Oak Pond. Participants are encouraged to wear onesies; the event includes an aid station, finishers medal, a..

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.

Timed loop races on the Livingston Oval offer one, three, six and twelve hour options on a USATF certified flat course. Participants receive a hat and top finishers earn plaques.

A looped trail event on March 6, 2027 at South Mountain Reservation in West Orange, NJ offering 11 mile, 20 mile, 50K and 50 mile options on three marked loops with mixed carriage roads and technical singletrack.

A low swag trail ultramarathon at Blue Marsh Lake near Leesport PA offering 20 and 40 mile options on a mostly single track lollipop course. The event emphasizes an affordable entry, frequent aid stations, and simple tear off bib timing.

A six hour trail ultra at Roosevelt Forest in Stratford, CT on March 20, 2027, offering a 50K option on a 2.3 mile loop of roots, rocks and rolling hills, with a capped field of 50 entrants and on-course food and hydration.

The The R.A.T. Race 50K will take place in Barnegat Township on Saturday 20 March 2027. You can run between 10 and 50 kilometers.

A 5K trail run at Bethpage State Park with a free kiddie fun run and a virtual option, a good luck shirt, on course hydration, post race refreshments, and age group recognition. Beer is available for participants 21 and older with ID.

A 5K trail run and a free kiddie run at Bethpage State Park with in-person and virtual options, onsite refreshments, mailed bibs, and online results. Donations support the Never Stop Running Foundation.

A mountain trail event at Harriman State Park offering a half marathon, a 10K, and a 10K ruck on rugged, technical courses with significant elevation gain and limited crew access at aid stations.

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.

A 5K trail run and walk at Blydenburgh County Park in Smithtown, NY, on mixed terrain with dog friendly policies. Event proceeds support Last Chance Animal Rescue and online recognition is given for top age group finishers.

Trail marathon and half marathon through Wissahickon Valley Park in Philadelphia. Courses are mostly single track with rolling hills and technical sections, with aid stations, manual timing, finisher medals and a post race music and pizza c..

A weekend obstacle course at Mountain Creek Resort in Vernon NJ on April 24–25, 2027, offering Sprint 5K, Super 10K, Beast 21K, Ultra 50K and kids races, plus a Trifecta Weekend option and team entries.

A women-centered trail event at Lake Mohegan offering 5K, 10K, and a 4-hour loop on a 3.2 mile trail. The race is open to non-binary runners, follows a cupless aid policy, and includes finisher medals and post-race refreshments.

Two mountain trail races in the Shawangunk Ridge on April 24, 2027. The technical 25K and 10 mile routes feature cliffs, steep climbs, two aid stations, strong course markings, and a 150 participant cap.