Trail Running calendar near Holtwood 2025-2026

The Blue Crab Bolt Trail Run at Little Bennett is a scenic trail running event held in Little Bennett Regional Park, Montgomery County, Maryland, about 30 miles west of Washington, D.C. The park offers a 3600-acre wooded area with over 20 miles of trails, streams, and camping facilities. The race fe..

Loopy Looper is an ultra running event held at Cooper River Park in Pennsauken, New Jersey, featuring a fast, flat 3.75-mile paved loop with scenic views of the Philadelphia skyline and river. The race offers multiple distances including 12-hour, 24-hour, and a 101.25-mile ultra, as well as a 4-pers..

The MD Heat Trail Race, held in Elkridge, Maryland at the Patapsco Pickall Area, offers challenging trail running distances of 25K and 50K. The course features rolling single-track trails with over 2,000 feet of elevation gain, including technical rocky sections, two river crossings, and a short pav..

The Slopeside Slumber Party is a unique nighttime running event held at Roundtop Mountain Resort in Lewisberry, PA. Participants have three hours to complete as many laps as they can on a challenging 1.5-mile loop featuring 600 feet of elevation gain. The course includes 0.5 miles of pavement and 1..

The Hellbender 5k & Half Marathon is an exciting running event scheduled for August 24, 2025, in Bear Gap, Pennsylvania. Participants can choose between a half marathon and a 5k race, both of which feature scenic out-and-back courses through the picturesque Weiser State Forest. The event aims to pro..

The 5K Run for Thorncroft is an exciting event scheduled for August 28, 2025, in Malvern, PA. Participants can choose from several activities, including a 5K Trail Run, a 5K Walk, and a One-Mile Move-As-You-Please. The event is designed to be inclusive, welcoming dogs to join in the fun. After the r..

Trails 4 Tails in Hanover, PA, is a trail running event held at scenic Codorus State Park, featuring a 5.72-mile loop course around Lake Marburg with single track trails and shoreline views. The event offers three race distances: a 40-mile ultra consisting of seven loops with approximately 4,200 fee..

The Blood, Sweat & Tears Run - Mount Gretna, PA will take place in Mount Gretna on Saturday 13 September 2025. You can run between 5 and 10 miles.

The Cancer Warriors 5k is an annual running event dedicated to raising funds and awareness for cancer research. Scheduled for September 20, 2025, this event has successfully raised over $38,000 to support those affected by cancer. Participants can register as runners or "ghost runners," allowing ind..

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

Mountain Creek Mayhem is a trail-running event held at Pine Grove Furnace State Park in Gardners, Pennsylvania, within the scenic Michaux State Forest of the Appalachian Mountains. The race offers three distances: a challenging 50K, a scrambly 20-mile course, and a spicy half marathon. Participants..

Ultra Trail DE is a trail running event held at 2900 Montchanin Road, Wilmington, Delaware, on private property owned by Longwood Gardens. The race features a challenging 6-hour format where participants run multiple laps of a roughly 6-mile loop with about 700 feet of elevation gain per lap. The co..

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 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. The course is a one-mile loop of mostly grass and mulch around ponds and fields, with about 70 feet of eleva..

Run-a-Muck is an annual 5K running and walking event held in the scenic Willistown countryside, featuring a cross-country trail with diverse terrain. Participants can choose to run or "muck" (walk) the course, making it accessible for various fitness levels. The event offers a festive atmosphere wit..

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 Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge is an annual event held in Mount Airy, Maryland, organized by the Frederick Steeplechasers Running Club. Taking place on October 12, 2025, it features three challenging race options: a 5-mile trail run, a 4-hour challenge, and an 8-hou..