Trail Running calendar near Mertztown 2025-2026

The Hainesport Endurance Run is a multi-day ultramarathon event held at Hainesport Township Municipal Park in New Jersey. It features a flat, paved loop course of approximately 0.99 miles, certified by USA Track & Field, with an alternate 1.2-mile loop available if needed. Participants can compete i..

BadgerPalooza is an ultra marathon event hosted by the Williamstown Badger at Autumn Lake Winery in Williamstown, New Jersey. Participants can choose from various race formats, including a 24-hour run, 12-hour run, and 6-hour run, with options for relay teams. The main event consists of running a 5K..

The Delaware Trail Fest, held at Lums Pond State Park in Bear, Delaware, offers trail running events for all abilities, celebrating the area's scenic outdoor trails. The race features distances of 12 km and 24 km, as well as a 12-hour Lone Wolf solo challenge and a 12-hour 4-person relay. The course..

The MuleSkinner Endurance Races take place in Upper Black Eddy, Pennsylvania, featuring distances of 50 miles, 50K, marathon, and half marathon. The course primarily follows the scenic, non-technical towpaths along the Pennsylvania side of the Delaware River, offering beautiful views and an easy tra..

The WXT Ultra is a trail running event held in Titusville, New Jersey, starting and finishing at Washington Crossing Park. It offers two distances: a 25K and a 50K. The 25K course features mostly single-track trails, including an 8.5-mile section within the park and short road segments.The 50K follo..

The Camp Lackawanna Trail Challenge is a trail running event held in Tunkhannock, Pennsylvania, featuring 6-hour and 12-hour race options. Participants run on scenic trails starting from 1219 Vosburg-Neck Road, offering a challenging and immersive outdoor experience. The event emphasizes endurance a..

The Long Run - Fall Back is a trail running event held at Jacobsburg State Park in Wind Gap, Pennsylvania. Participants can choose from a 5-mile loop, a 3-hour, or a 6-hour timed event, running a course featuring approximately 450 feet of elevation change on single track and gravel trails. This edit..

Forbidden Run Fest is a trail running event held in Wissahickon Valley Park, Philadelphia, PA, celebrating one of the city's most scenic parks. The race offers three distances: 10K, 10 miles, and a Half Marathon+ (approximately 14 miles). The course features a mix of smooth gravel trails, compacted..

The Hex Hollow Half is a trail running event held in Glen Rock, Pennsylvania, starting and finishing at Spring Valley Park. It offers two race distances: a challenging half marathon of 13.13 miles consisting of two loops, and a shorter 6.66-mile single loop for those not ready for the full distance...

The South Vineland Thanksgiving Run is a festive running event held at Anthony Campanella Park in Vineland, NJ. This cross-country style race welcomes participants of all ages and paces, making it a perfect way to celebrate the Thanksgiving holiday. The event features a 3-mile course and offers awar..

The Squatchy Leftovers Trail Race takes place at South Mountain Reservation in West Orange, New Jersey. Scheduled for November 29, 2025, it offers multiple distances including a 50K (10 loops), 25K (5 loops), 10K (2 loops), 5K (1 loop), and a 1-mile kids run. The course features a 5K loop with a mix..

The Holmdel Classic is a challenging end-of-year trail race held in Holmdel Park, Monmouth County, New Jersey. Featuring a 4.65-mile loop with 584 feet of elevation gain, the course covers diverse terrain including grass, dirt, rocks, roots, gravel, pavement, and varied inclines. Participants can ch..

The Tame the Tower Trail Challenge is a trail running event held in Mt. Gretna, Lebanon, Pennsylvania, at Clarence Schock Memorial Park. Scheduled for December 13, 2025, it features two distances: a 10-mile "T-Rex" and a 5-mile "Ferocious" run.The courses are marked with colored flags—pink for the 1..

The Frosty Looper 8-Hour is an ultrarunning event held at Cooper River Park in Pennsauken, NJ. Participants run as many laps as possible on a fast, flat 3.75-mile paved loop around the river, featuring scenic views of the Philadelphia skyline and water. The course includes mostly flat terrain with s..

Naked Nick is a trail running event held in Leesport, Pennsylvania, featuring 25K and 50K distances around Blue Marsh Lake. The course is a lollipop-shaped route on the lake's south side, combining 80% single-track trails and 20% gravel roads, with moderate elevation gains of approximately 1,500 fee..

The Frosty Fat Sass is an annual trail running and hiking event held at South Mountain Reservation in West Orange, New Jersey. Participants can choose from a 5K loop, a 3-hour, or a 6-hour endurance challenge, with a new rucking division available for the 3-hour event. The course features a mix of w..

The Mahlon Winter Donut Trail Run & Hike features a scenic adventure through the beautiful trails of Lake Hopatcong, NJ. Scheduled for February 8, 2026, participants can choose from three distances: a 5-mile, 10-mile, or half marathon (13.1 miles). The courses offer a mix of terrain, including strea..

The Livingston Oval Ultra, held in Livingston, New Jersey, is a timed running event featuring 1-hour, 3-hour, 6-hour, and a new 12-hour race distance for 2026. Participants run laps around a USATF-certified, fast, and flat oval course, aiming to cover as much distance as possible within their chosen..

The Squatchapple Trail Race takes place at South Mountain Reservation in West Orange, NJ, offering distances of 11 miles, 20 miles, 50K, and 50 miles. The course features three loops of varying lengths (4, 5.5, and 7 miles) combining carriage roads, singletrack, and some road crossings, with signifi..

The Naked Bavarian is an affordable ultra trail running event held at Blue Marsh Lake in Leesport, Pennsylvania. Offering 20- and 40-mile distances, the course features a lollipop loop with mostly runnable trails—80% single track and 20% gravel roads—covering approximately 2,000 feet of elevation fo..