Trail Running calendar near Glen Rock 2025-2026

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 main distances: a 50K and a 25K, both available as in-person or virtual races. Runners enjoy a scenic, historic, an..

The Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA, is a scenic trail running event held on November 2, 2025. Participants can choose between 5-mile (one lap) and 10-mile (two laps) courses featuring beautiful riverside singletrack trails with a few short hills and stunning views..

The MCRRC Stone Mill 50 Mile Run is a challenging trail ultramarathon held in Montgomery Village, Maryland. The 50-mile course features scenic forested and rolling terrain along the Seneca Greenway and Muddy Branch trails, primarily on single-track dirt paths with some small stream crossings. While..

The Schaeffer Half Marathon and 10K Trail Run, hosted by EX2 Adventures, takes place at the scenic Button Farm in Germantown, Maryland. This event features two distances: a 13.3-mile half marathon and a 6.7-mile 10K+, both offering challenging courses with twisty singletrack trails and wide-open far..

The Rosaryville Veterans Day Trail Race, hosted by Annapolis Striders, is an annual trail running event held at Rosaryville State Park in Upper Marlboro, Maryland. The 16th edition in 2025 features two distances: a 50K and a 20K race. Both courses wind through scenic wooded trails and meadows, prima..

The Fall Backyard Burn Trail Run at Hemlock Overlook in Clifton, VA, is a scenic trail running event featuring 5-mile and 10-mile race options. Set in a 425-acre park along the historic Bull Run, the course offers a mix of hiking trails, old dirt roads, stream crossings, grassy fields, and minimal p..

The Tuckahoe 25K is a trail running event held in Queen Anne, Maryland, offering a 25-kilometer (15.5 miles) course primarily on single-track and horse trails. The race features runnable hills, some rooty and potentially muddy sections, making it suitable for both first-time trail runners and those..

The Hex Hollow Half is a trail running event held in Glen Rock, Pennsylvania, starting and finishing at Spring Valley Park. It offers two race distances: a challenging half marathon of 13.13 miles consisting of two loops, and a shorter 6.66-mile single loop for those seeking a less demanding option...

The Winery at Bull Run Turkey Trot is a scenic trail run held at the Manassas National Battlefield, featuring 5k and 10k options. Participants enjoy running through historic Civil War sites on dirt trails, cross-country paths, and gravel terrain, with some hills along the course. The event benefits..

The 21st Annual Catonsville High School XC Turkey Trot is a cherished community event celebrating health and wellness. Scheduled for November 27, 2025, this event features a 1 Mile Family Fun Run and a 5K race, both of which are chip-timed. Participants can enjoy a family-friendly atmosphere while s..

The Fall Backyard Burn Trail Run at Fountainhead Regional Park in Fairfax Station, VA, is a popular trail running event held annually, with the 2025 race scheduled for December 7. The course features scenic hiking trails and old dirt roads along the Occoquan Reservoir, offering two distance options:..

The Tame the Tower Trail Challenge is a trail running event held in Mt. Gretna, Lebanon, Pennsylvania, at Clarence Schock Memorial Park. Scheduled for December 13, 2025, it features two distances: a 10-mile "T-Rex" and a 5-mile "Ferocious" run.The courses are marked with colored flags—pink for the 1..

Naked Nick is a trail running event held in Leesport, Pennsylvania, featuring 25K and 50K distances around Blue Marsh Lake. The course is a lollipop-shaped loop on the lake's south side, combining 80% single-track trails and 20% gravel roads, with moderate elevation gains of approximately 1500ft for..

The Mid-Maryland Trail Festival 50k is a trail running event held at Rockburn Branch Park in Elkridge, Maryland. The race covers 31 miles (50 kilometers) through six loops of approximately 5.179 miles each on wooded trails. Participants can run the full 50k solo or form relay teams of 2 to 6 members..

The Naked Bavarian is an affordable ultra trail running event held at Blue Marsh Lake in Leesport, Pennsylvania. Offering 20- and 40-mile distances, the course features a lollipop loop with mostly runnable single-track trails (80%) and some gravel roads (20%), with elevation gains of approximately 2..

The Bull Run Run (BRR) 50 Miler is a historic trail race held in Clifton, Virginia, organized by the Virginia Happy Trails Running Club. Established in 1993, it is one of the oldest 50-mile races in the U.S. The course traverses forested, rolling terrain along the Bull Run Occoquan Trail, showcasing..

Run to Remember in Sykesville, MD, is a multi-distance running event held at Piney Run Park, featuring a scenic 5-mile loop through woods, meadows, and alongside a lake. Participants can choose from a 50K, 25K, 5 Miler, or an 8 Hour Challenge, with the 50K requiring six loops and the 25K three. The..

The Farm Park Challenge is a unique trail running event hosted by My Muddy Shoes at the Agricultural History Farm Park in Montgomery County, Maryland. Participants can choose from three timed challenges—3-hour, 6-hour, or 10-hour—where runners must complete one lap of the course each hour, resting o..