Trail Running calendar near Glen Mills 2025-2026

Ultra Trail DE is a 6-hour trail running event held on private Longwood Gardens property at 2900 Montchanin Road in Wilmington, Delaware. Runners tackle roughly a 5-mile marked loop with about 700 feet of elevation gain per lap, featuring creek crossings, twisty singletrack, grass and gravel, and oc..

On Saturday, September 27, 2025, Red Devil 5K is a community cross-country race in West Grove, Pennsylvania, hosted at Avon Grove Middle School by Avon Grove High School. The rolling, three-loop course is mostly grass with some pavement and finishes on the track; it is the same course used by the AG..

The Conestoga Trail Run - 10 Tough Miles is a challenging and scenic trail race held annually in Holtwood, Pennsylvania. Known as the original and oldest trail run on the Conestoga, this 10-mile course features rugged, rocky terrain with steep hills, multiple small stream crossings, and beautiful vi..

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) consisting of two loops, and a 10K (6.55 miles) with one loop. The course utilizes sections of the Little Jersey and Swamp Forest..

The 54th Annual Switchback Scamper in Jim Thorpe, PA, offers a 10k Run and 5k Walk. The point-to-point course begins in Summit Hill, traversing two miles of streets, about 2.5 miles of gravel and grass trails, a short highway-to-trail section, and finishes on pavement at Match Chunk Lake Park. A key..

Red Barn Challenge, now in its sixth year, takes place October 3-4, 2025 at The Marzella Farm in Lykens, Pennsylvania. The event offers 24-, 12-, and 6-hour ultramarathon formats run on a one-mile, mostly grass and mulched loop around ponds and fields. The course gains about 70 feet of elevation per..

Cornwall Elementary 5K & 1-Mile Fun Run is a family-friendly event held at Cornwall Elementary School in Lebanon, Pennsylvania. The race offers two distances—a 5K and a 1-mile fun run—on the Lebanon County Rail Trail. Now in its 11th year, it invites runners and walkers of all levels to participate..

Blackout in Emmaus, PA is a rugged nighttime 10K trail race, with 1,000 feet of elevation gain over technical, mountainous terrain. The Running Kind presents a 'Lights On' edition allowing an early dusk start for those who want to begin before darkness settles, and the traditional option. The race s..

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..

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 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 Kettle Cooker Five & Dime Trail Race, held at Glenroy Preserve in Nottingham, Pennsylvania, offers three trail distances: 5 miles, 10 miles, and 25K. Runners navigate hills, creek crossings, and mixed terrain on well-maintained singletrack and fields, with some sections threading through histori..

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..

The WCU Cross Country Golden Ram Invitational takes place in Kennett Square, Pennsylvania, on the campus grounds of Patton Middle School and Unionville High School at 760 Unionville Road. The meet includes men’s and women’s 5K races. The course is grass-dominated, laid out as two 2K loops plus a 1K..

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..

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..

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..