Trail Running calendar near Lower Merion Township 2026-2027

Trail loop event at Holmdel Park with roughly 50 km and halfish options over repeated 4.5 mile laps; proceeds benefit MissionCleanWater.

Trail races at Governor Dick Park in Mt. Gretna on December 12, 2026 offering 5 mile and 10 mile courses, with all proceeds funding trail and park improvements.

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.

Naked Nick is a low-fee winter trail run at Blue Marsh Lake offering 25K and 50K on rolling single-track and gravel. Aid every 3 to 4 miles, manual timing, and a traditional German-style finisher memento.

An 11K trail run in Reading PA on January 3 2027 featuring technical terrain, two aid stations, on site EMS, awards and variable winter conditions.

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.

Experience the rolling hills of Fair Hill Natural Resource Management Area during this winter trail event. Choose between 25K or 50K distances on beautiful single track trails with heated facilities and fully stocked aid stations.

A January trail party in West Orange with a 5K loop plus timed 3 and 6 hour options, rucking divisions, and fundraising for the South Mountain Conservancy.

A 10 mile trail race at French Creek State Park on February 7, 2027 featuring rocky trails, two water stops, tiered entry fees and awards across age and clydesdale categories.

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 event in Livingston NJ where runners aim to cover as much distance as possible in 1, 3, 6 or 12 hours on a USATF certified flat course.

Looped trail race in South Mountain Reservation offering 11M, 20M, 50K and 50M over three marked loops with varied terrain and on-site aid.

A back-to-basics trail event at Blue Marsh Lake on March 6, 2027, offering 20 and 40 mile single-track courses with aid stations every three miles and a lollipop course layout; the 40 mile is two loops with drop bag access at mile 20.

The Rat Race 50k is a 100% off-road ultramarathon at Wells Mills Park with an 8-mile loop plus three 10k loops, chip timing, finisher medals and age-group awards; the series also includes shorter trail races and themed events.

A spring trail 50K at Susquehanna State Park with two identical loops, about 4,300 feet of climbing and several stream crossings, supported by aid stations and volunteers.

A near 40 mile, 10-loop trail ultramarathon on Mt. Tammany featuring steep climbs, over 10,000 feet of gain, pavilion check-ins and no aid at the Dunnfield parking area.

March 21, 2027 in Columbia NJ: a looped trail event offering 30K and 50K+ options on a 6.7 mile loop with substantial vertical ascent.

Genesee Valley Ultra is a timed loop trail event at Genesee Valley Outdoor Learning Center in Parkton, MD. Runners choose 24 hour, 12 hour, or 6 hour formats to complete as many laps as possible on a 2 mile loop, with chip timing and awards..

A reborn six day track ultrarunning event at Cooper River Park offering timed events from six hours up to 144 hours.

A turtle themed 5K at Hopkins Farm Brewery in Havre De Grace raising funds and awareness for the Susquehannock Wildlife Society. The trail race includes wooden participant medals, costume prizes, and an after party with live music.