Trail Running calendar near Glen Rock 2025-2026

We have found 63 Trailruns within 80 miles of Glen Rock. See below where and when you can find the races.

The Final Countdown Tribute is a unique running event held at Amani Brewing in Martinsburg, WV. The race features a 1.33-mile loop on a smooth, well-maintained grass trail with gentle hills. Runners must complete each lap within a decreasing time limit, starting at 20 minutes and shortening by 20 se..

The Bull Run Reunion Run will take place in Parkton on Saturday 20 September 2025. You can run 3 miles.

Mountain Creek Mayhem is a trail-running event held at Pine Grove Furnace State Park in Gardners, Pennsylvania, nestled in the northern Michaux State Forest of the Appalachian Mountains. The race offers three distances: a challenging 50K (about 33 miles with 4,400+ feet elevation gain), a tough 20-m..

The Kellie Thompson Shiley 5k and Family Fun Run is an annual event held at the Terrapin Nature Trail in Stevensville, Maryland, on the scenic Eastern Shore. It features a 5K trail run/walk and a 1-mile fun run for children aged 10 and under. The race honors Kellie Thompson Shiley’s competitive spir..

Ultra Trail DE is a challenging 6-hour trail running event held at 2900 Montchanin Road in Wilmington, Delaware. The race features a roughly 5-mile loop with about 700 feet of elevation gain per lap, set on private scenic trails that include creek crossings, singletrack paths, rolling hills, and uni..

The River's Edge Endurance Challenge, held in Brunswick, Maryland, is a multi-event running competition featuring a 5K (3.1 miles) race, a 3-hour endurance race, and a 6-hour endurance challenge. The event takes place primarily on the scenic River's Edge Trail system, with about one mile on school p..

The Conestoga Trail Run - 10 Tough Miles will take place in Holtwood on Sunday 28 September 2025. You can run 10 miles.

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..

October 2025

The Red Barn Challenge is an annual ultrarunning event held at Marzella Farm in Lykens, Pennsylvania. The 2025 edition marks its 6th year, featuring timed races of 24, 12, and 6 hours on a one-mile loop course composed mostly of grass and mulch, with about 70 feet of elevation gain per mile. The sce..

Run-a-Muck is an annual 5K running and walking event held in the scenic Willistown countryside, supporting local land preservation. Participants can choose to run the 5K or "muck" (walk) the cross-country trail featuring diverse terrain, encouraging appropriate attire. The event offers a festive atm..

The Fall Harvest 5k is a scenic trail race held at Claude Moore Park in Sterling, Virginia. Set amidst the vibrant colors of autumn, the course features forest paths and leaf-covered trails, offering a picturesque experience for both runners and walkers. This event is part of the Run Your PRCS Parks..

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 Rick O'Donnell Memorial Ultra Challenge is held annually in Mount Airy, Maryland, hosted by the Frederick Steeplechasers Running Club. The event features a 5-mile trail run along with 4-hour and 8-hour ultra challenges, offering multiple ways for participants to test their endurance on scenic tr..

The Delaware Trail Fest, held at Lums Pond State Park in Bear, Delaware, is a trail running event celebrating the area's scenic outdoor trails. It offers multiple race options including 12 KM and 24 KM trail runs, as well as a 12-hour Lone Wolf solo challenge and a 12-hour 4-person relay. The course..

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 Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers runners a scenic and engaging trail experience with options of 5.1 miles (one lap) or 10 miles (two laps). The course features mostly smooth singletrack trails with some short technical sections involving rocks and roots, mi..

The Patapsco Valley 50K is an annual trail running event held at Patapsco Valley State Park near Baltimore, Maryland, with race headquarters at CCBC-Catonsville. The event features two distances: a 50K and a 25K, both available as in-person or virtual races. Runners enjoy a scenic, historic, and wel..

November 2025

The Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA, offers 5- and 10-mile trail races on scenic riverside singletrack trails adjacent to the Potomac River and near Great Falls National Park. The course features moderate elevation gains of 350 feet for 5 miles and 700 feet for 10 m..

The MCRRC Stone Mill 50 Mile Run is an ultramarathon event held in Montgomery Village, Maryland. This challenging 50-mile race offers runners a unique endurance experience on a course designed to test stamina and determination. The event is organized by the Montgomery County Road Runners Club (MCRRC..

UTMB Index

The Schaeffer Half Marathon and 10K Trail Run, hosted by EX2 Adventures, takes place at the scenic Button Farm in Germantown, Maryland. The event features two distances: a 13.3-mile half marathon with 1,000 feet of elevation gain and a 6.7-mile 10K+ course with 500 feet of elevation gain. Known for..