Trail Running calendar near Clark 2025-2026

We have found 108 Trailruns within 80 miles of Clark. See below where and when you can find the races.

Run-a-Muck, hosted by the Willistown Conservation Trust, takes place in the Willistown countryside (Newtown Square, PA). Participants can choose a 5K run or muck (walk) on a cross-country trail described as diverse terrain. The event blends sport with a festive atmosphere, offering food, beer, wine,..

Trails4Tails is a dog-friendly trail running event held at Historic Washington Crossing Park in Titusville, NJ, with the start area at the Phillips Farm Recreation area off Bear Tavern Road. It offers three distances: a 1 Mile Fun Run (with or without a dog), a 5K, and a 5K with Dog. The course is a..

Chasing Ciara's Light 5K/12K Trail Race 2025, held at Great Hollow Lake in Monroe, CT, offers timed 5K and 12K trail races along a scenic course. Sanctioned by USATF and spectator-friendly, it features multiple spots for cheering. A Kids Fun Run provides additional family-friendly activity.The cours..

The 5th Annual Octoberfest 5K is a community running event in Haddonfield, New Jersey, starting and finishing at Maria Greenwald Softball Field. The race offers a 5K run with an updated course map and on-site parking, plus nearby downtown parking. After crossing the finish line, participants gather..

Camp Innabah Fall Classic, held at 712 Pughtown Road, Spring City, PA 19475, features a 5-mile trail race and a 2-mile fun walk. The five-mile course traverses dirt trails, gravel roads, and short paved sections over rolling terrain above French Creek in Chester County, offering a hilly, scenic chal..

The Fat Sass Switchback Challenge is a trail running event held in Millburn, New Jersey, at the South Mountain Reservation's Locust Grove Picnic Area. Scheduled for October 5, 2025, it features a challenging 1-mile loop course with 300 feet of elevation gain, including steep climbs and technical, ro..

Set in Montebello, New York, the KMT Fall Foliage Frenzy is a trail-running event featuring 3-hour and 6-hour timed races. Runners tackle a challenging 2.33-mile loop with about 660 feet of vertical gain, weaving through Kakiat Park against the backdrop of Harriman State Park and the Hudson Valley’s..

Located at 889 Croton Road, Wayne, PA 19087, the McKaig 5K Trail Race celebrates its 10th anniversary this autumn. The event offers a 5K trail race, Monkey Rock Miler, Kids Race (Free), and Chili Cook-Off. The festival atmosphere includes vendors, music, post-race food and beverages, and free chili..

IBBC Trail Classic 5k and Kid's Trail Run presented by Peace, Love, Trails takes place in Irvington, New York, with the event centered around the Irvington Woods trail system near 40 N Broadway. The lineup includes a 5k Trail Run/Walk through scenic woodland paths and a 0.6-mile Kid's Trail Run for..

Tesla Hertz Run is an ultrarunning event in Rocky Point, New York, offering multiple distances on a single Long Island course: 150‑mile, 100‑mile, 100K, 50‑mile, 50K, a 10‑mile, and a night-time 10‑mile option. The course features a scenic 10.48‑mile loop through pine barren terrain, with two aid st..

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

Forbidden Forest 30 Hour Ultra Run takes place in Roosevelt Forest, Stratford, Connecticut, October 11-12, 2025. Runners choose a personal challenge on a 2.23-mile loop that weaves through roots, rocky terrain, and a standout hill dubbed "OMG." Competitors can tackle 26.2M, 50K, 50M, 100K, 100 Miles..

Gemstone Sparkle Sprint 5k is a community trail run in Wilton, Connecticut, on Gemstone Farm (144 Huckleberry Hill Rd). The second annual event offers a scenic 5k trail course suitable for all abilities (strollers not allowed on the course) with a festive sparkly theme inviting participants to dress..

Lehigh Gap Nature Center hosts a 10k trail run and a 2 mile scramble in Slatington, Pennsylvania. The loop starts and finishes at the Nature Center, weaving through the center’s trails and key segments of the D&L Trail. Runners enjoy a flat start, a short steep ascent on the Bobolink Trail, fern-lin..

NSRF Great Pumpkin Dash Trail 5K is a Halloween-themed run/walk held at Blydenburgh Park in Smithtown, New York. The scenic, shaded course weaves through dirt roads and hard-packed trails with a few sandy spots, offering a non-technical trail experience suitable for first-time runners; strollers and..

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..

The Fred Torres Memorial 5K is the 12th annual charity race at Garrett Mountain in Woodland Park, New Jersey. The live event features a 5K run on a championship cross-country course and a 2-mile walk, with a virtual 5K option for remote participants. Family-friendly events include a Tot Trot and a 1..

BadgerPalooza is an ultra marathon hosted by the Williamstown Badger at Autumn Lake Winery in Williamstown, New Jersey. The centerpiece is a 24-hour challenge built from 24 laps of a 5K loop on winery grounds, totaling 74.4 miles for solo runners; 12-hour and 6-hour options are also offered, along w..

The Philadelphia Catholic League Alumni Cross Country 5K is an all-comers cross country race held at Belmont Plateau in Philadelphia (2075 Belmont Avenue, 19131). The 5K event serves as a prelude to the Philadelphia Catholic League Cross Country Championship and takes place rain or shine, on the Hil..

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..