Trail Running calendar near Lake Ariel 2025-2026

The Blues Cruise is a 50K trail ultramarathon held near Reading, Pennsylvania, celebrating its 20th anniversary in 2025. The scenic 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 inclu..

The KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, featuring 3-hour and 6-hour race options. Participants run on a challenging 2.33-mile loop course in Kakiat Park, adjacent to Harriman State Park, with approximately 660 feet of vertical gain per lap. The course offer..

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

The Trailwagger is a running event held at Gilbert Lake State Park in Laurens, NY, featuring scenic trails and fall foliage. The race offers four divisions to accommodate various skill levels: a 3-mile run/walk on paved roads and trails, a mostly trail-based 5-mile run showcasing ponds and creeks, a..

The Costumed Creature Crawl 5K Trail Run/Walk is held at Van Scott Nature Reserve in Beach Lake, Pennsylvania, supporting Pregnancy and Infant Loss Awareness Month. Scheduled for October 11, 2025, participants can run or walk the 5K trail in person or virtually. The event welcomes all ages, with spe..

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 Cub Scout Pack 3254 Twilight Zombie Trail 5k & Monster Dash is a family-friendly fall event held at the Anthracite Outdoor Adventure Area in Coal Township, Pennsylvania. This spooky-themed 5K run challenges participants to outrun zombies on a twilight trail, with medals awarded to top finishers..

The Castle to River Run in Garrison, NY, is a scenic running event held in the historic Hudson Valley, featuring a half marathon and a 5K race, along with a kids fun run. The half marathon course winds through Hudson Highlands State Park, passing the historic Osborn Castle and offering a mix of sing..

Big Bear SquaTCh South, held in Harriman State Park, Tuxedo, New York, offers two rugged trail distances: a 13.1-mile half marathon and a 10K. The course is technical with rocks, roots, steep climbs, and a short scramble, totaling about 2,200 ft of gain for the half and 1,200 ft for the 10K. The eve..

The Hot Chili Challenge is a trail running event held in Andover, New Jersey, featuring an 8-mile trail run, a 5K run for adults, and a Kids Fun Run for ages 5-12. Participants in the adult races receive t-shirts, hobo bags, and finisher medals, while kids receive finisher medals. Awards and swag ar..

Camp Lackawanna Trail Challenge is a trail-running endurance event in Tunkhannock, Pennsylvania (1219 Vosburg-Neck Road). The Ultrasignup listing shows two timed formats: a 6-hour and a 12-hour trail challenge, catering to ultramarathoners and serious hikers alike. The event has been postponed from..

The Mighty Montour 4-Miler is a scenic 3.9-mile loop race held at the Montour Preserve in Danville, Pennsylvania. The course follows the Chilisuagi Trail, featuring a mix of grass, gravel, and forest floor terrain, offering runners a natural and varied running experience. This event benefits the Blo..

The WVS Fall Trail 5.5 Mile Run is an annual age-group graded trail race held at Frances Slocum State Park in Wyoming, Pennsylvania. The 2025 event marks the 38th running and celebrates the Wyoming Valley Striders' 50th anniversary. The course features a challenging route primarily over grass and ea..

The Long Run – Fall Back takes place at Jacobsburg State Park in Wind Gap, PA, with the start/finish at the Equestrian Parking Lot near Sobers Run trailhead. The event offers a 5-mile loop through a mix of single-track and gravel trails, with about 450 feet of elevation gain. Runners can also enter..

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: 50K, 25K, 10K, 5K, and a 1-mile kids run, all based on a 5K loop course. The trail features a mix of wide carriage roads and technica..

Rob's Trail Run Edition is a trail running event held in Woodbury, New York, at Stillwell Woods Preserve. Scheduled for November 30, 2025, the event features two main races: a 5K Adult Trail Run for participants aged 19 and older, and a 5K High School or Youth Trail Run for those 18 and under. The c..

The Santa's Summit 10k is a scenic and challenging trail run held at Bull Run Marina in Clifton, Virginia. The course follows the Bull Run Occoquan Trail, featuring hilly terrain with a mix of out-and-back and one-way sections. Participants can also choose a 5k distance or a virtual race option.Runn..

Naked Nick takes place in Leesport, Pennsylvania, with race options of 25K and 50K along the trails at Blue Marsh Lake. The course runs on the lake's south side in a lollipop layout: 5.5 miles out, 4.5 mile loop, then 5.5 miles back, blending about 80% single-track trails with 20% gravel roads. Elev..

The Frosty Fat Sass is an annual trail running and hiking event held at South Mountain Reservation in West Orange, New Jersey. Scheduled for January 31, 2026, this 9th edition offers participants options to run or hike a 5K loop, or join timed 3-hour and 6-hour challenges, including a new rucking di..

The Mahlon Winter Donut Trail Run & Hike is a scenic trail running event held at Saffin's Pond in the Mahlon Dickerson Reservation, Lake Hopatcong, New Jersey. Scheduled for February 8, 2026, it offers three race distances: a 5-mile loop, a 10-mile course consisting of two loops, and a 13.1-mile hal..