Trail Running calendar near Princeton 2025-2026

The Run the Vineyards - White Horse 10K/5K is an annual running event held at White Horse Winery in Hammonton, New Jersey. Featuring flat and scenic courses through vineyards and country roads, the event offers 10K and 5K races along with a 1-mile walk. Participants enjoy chip timing with instant re..

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..

The Front Runners New York Cross Country 5K is an exciting running and walking event scheduled to take place at Van Cortlandt Park in the Bronx on September 27, 2025. This event invites participants of all skill levels to enjoy a scenic course while promoting fitness and community spirit. The 5K run..

Ultra Trail DE is a trail running event held at 2900 Montchanin Road in Wilmington, Delaware, set 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 offers a mix of creek..

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 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 half marathon (13.1 miles) and a 10K (6.55 miles), both utilizing portions of the Little Jersey and Swamp Forest trails. The course offers a mix of single-tr..

The NJ Trail Series One Day is a multi-day ultrarunning event held at the Sussex County Fairgrounds in Augusta, New Jersey. Taking place from October 2 to 5, 2025, it offers a variety of race options including 72, 48, 24, 12, and 6-hour timed races, as well as marathons and 50K distances. The course..

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 KMT Fall Foliage Frenzy is a timed trail running event held in Montebello, NY, near Kakiat Park and Harriman State Park. Participants can choose between 3-hour and 6-hour race options, running on a challenging 2.33-mile loop with approximately 660 feet of vertical gain. The course offers stunnin..

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 Paine to Pain Trail Half-Marathon is a distinctive trail race held in Westchester County, New York, starting at the historic Thomas Paine Cottage in New Rochelle and finishing at New Rochelle High School. This 13.1-mile single-loop course traverses the woods and trails of five different parks, o..

BadgerPalooza is an ultramarathon event held at Autumn Lake Winery in Williamstown, New Jersey. The main feature is a 24-hour race consisting of 24 consecutive 5K runs, starting at the top of each hour, totaling 74.4 miles. Participants can also choose 12-hour or 6-hour races, with individual or rel..

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 Big Bear Squatchtoberfest, hosted by Sassquad Trail Running and the New York-New Jersey Trail Conference, is a challenging trail running event held at Harriman State Park in Tuxedo, New York. Scheduled for October 19, 2025, it features a half marathon and a 10K race on rugged, technical trails w..

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 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..