Trail Running calendar near Slatington 2025-2026

The Mountain Lakes Trail Run & Walk in Princeton, NJ, is a scenic event held at the Billy Johnson Mountain Lakes Nature Preserve, benefiting the Friends of Princeton Open Space. It features a 5K+ trail run and a 3K walk, both traversing a mix of paved park trails, unimproved service paths, and singl..

The Dam Half is a challenging half marathon trail race held in the scenic forests of central Pennsylvania. Designed for both experienced runners and adventurous hikers, the course spans 13 miles and features a mix of single and double track trails, fire roads, and various natural obstacles such as r..

The Tröegs Rugged Trail 5k Run for Conservation will take place in Millersburg on Saturday 20 September 2025.

The Wild Goose Trail Festival is a multi-day trail running event held at Wawayanda State Park in Hewitt, New Jersey. Taking place September 20-21, 2025, it offers a variety of race distances including a 1-mile kids run, 10K, half marathon, 50K, 50-mile, 100K, 100-mile, and a 36-hour timed event. The..

Ultra Trail DE is a trail running event held at 2900 Montchanin Road, Wilmington, Delaware, on private scenic trails owned by Longwood Gardens. The race features a challenging 6-hour format on a roughly 5-mile loop with about 700 feet of elevation gain per lap. The course includes creek crossings, s..

The Water Gap 50k and 25k is a scenic trail running event held in Milford, Pennsylvania, along the Delaware Water Gap. The race courses follow the McDade Trail, a 32-mile route featuring a mix of rail-trail style cinder paths and singletrack terrain. The trail is non-technical and rolling, making it..

The Conestoga Trail Run - 10 Tough Miles is a challenging trail race held in Holtwood, Pennsylvania, known for its rugged terrain and scenic views. Celebrating over 30 years, this event features a hilly course with rocky paths and stream crossings, making it suitable for experienced trail runners ag..

The Bear Trail Half Marathon & 10K is a trail running event held at Lums Pond State Park in Bear, Delaware. The race features two distances: a 13.1-mile half marathon consisting of two loops and a 6.55-mile 10K with one loop. The course utilizes portions of the Little Jersey and Swamp Forest trails,..

The NJ Trail Series One Day is a multi-day running event taking place at the Sussex County Fairgrounds in Augusta, NJ, from October 2 to October 5, 2025. Participants can choose from various race formats, including 72-hour, 48-hour, 24-hour, 12-hour, and 6-hour races, as well as marathons and 50K ev..

The Red Barn Challenge is an annual ultrarunning event held at Marzella Farm in Lykens, Pennsylvania. The 2025 edition marks its 6th year, featuring 24-hour, 12-hour, and 6-hour race options on a one-mile loop course composed mostly of grass and mulch, with about 70 feet of elevation gain per mile...

Run-a-Muck is an annual 5K running and cross-country walking event held in the scenic Willistown countryside, supporting local land preservation. Participants can choose to run or "muck" through diverse terrain, making it a fun and challenging outdoor experience. The event features a lively atmosphe..

Blackout in Emmaus, PA, is a rugged nighttime trail running event hosted by The Running Kind. The 10K course features challenging, technical mountainous terrain with over 1,000 feet of elevation gain on South Mountain. Participants can choose the "Lights On" option, starting at dusk before darkness..

The Blues Cruise is a 50K trail ultramarathon held near Reading, Pennsylvania, celebrating its 20th anniversary in 2025. The 31-mile loop circles Blue Marsh Lake, featuring varied terrain including fields, rolling hills, single track, and less than half a mile of public road. The course includes a n..

The Lehigh Gap Nature Center 10k is a scenic trail running event held in Slatington, Pennsylvania, featuring a challenging 10-kilometer loop course that starts and finishes at the Nature Center. The race showcases a variety of terrain, including a flat and fast start on the D&L Trail, a steep ascent..

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..

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..