Trail Running calendar near Great Falls 2025-2026

The Halloween Horror 10k is a trail running event held at Conway Robinson State Forest Park. Participants can choose between a 5k or 10k race, with the 10k being two laps of the 5k course. The course features forest trails with technical terrain and minor hills.Runners receive a finisher’s medal, a..

The Fire on the Mountain 50K Trail Race is an annual ultramarathon held in Green Ridge State Forest near Little Orleans, Maryland. The race features a challenging 31.95-mile course with technical trail sections, elevation changes, and scenic forest views. Participants must complete the course within..

The Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA, is a scenic trail running event scheduled for November 2, 2025. Participants can choose between two distances: a 5-mile or a 10-mile course, both featuring beautiful riverside singletrack and gentle hills. This event aims to intr..

The Rosaryville Veterans Day Trail Race, hosted by the Annapolis Striders, is a celebrated annual event taking place at Rosaryville State Park in Upper Marlboro, Maryland. This year marks the 15th edition of the race, featuring both 50K and 20K distances. The course offers a scenic and challenging e..

The MCRRC Stone Mill 50 Mile Run is a challenging trail running event set in Montgomery County, Maryland, showcasing the scenic Seneca Greenway and Muddy Branch trails. Participants navigate a primarily single-track dirt course featuring forested terrain and small stream crossings, with some areas p..

The Schaeffer Half Marathon and 10K Trail Run, organized by EX2 Adventures, takes place at Button Farm in Germantown, Maryland. The course features twisty singletrack trails and open farm fields, offering a scenic and challenging experience for runners. The half marathon covers approximately 13.3 mi..

The Fall Backyard Burn at Hemlock Overlook is a trail running event scheduled for November 16, 2025, in Clifton, Virginia. Participants can choose between two distances: a 5-mile or a 10-mile course, both set in the scenic 425-acre Hemlock Overlook park along the historic Bull Run. The course featur..

The Tuckahoe 25K is an annual trail running race held in Queen Anne, Maryland, organized by Algonquin Ultras Inc. The event features a 15.5-mile course primarily on trails, including single track and wider horse trails, with some hills, roots, and muddy sections. Runners can expect variable weather..

The Hex Hollow Half is a running event taking place in Glen Rock, PA, featuring a half marathon (13.13 miles) and a shorter 6.66-mile option. The course, set in Spring Valley Park, offers a scenic experience through meadows, forests, and challenging terrain, including stream crossings and elevation..

The Fall Backyard Burn @ Laurel Hill will take place in Lorton on Sunday 23 November 2025. You can run between 5 and 10 miles.

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 Lake Anna Turkey Trot Half is a scenic and challenging race held at Lake Anna State Park, featuring a half marathon, 10k, and 5k courses. The half marathon is an out-and-back trail race with a 3-hour and 15-minute time limit, while the 10k and 5k courses combine trail and paved roads. Participan..

Devil Dog Ultras is a trail running event held in Prince William Forest Park, Virginia, featuring 50K, 100K, and 100-mile races. The course primarily consists of single-track trails with some fire roads and rolling hills, with no significant climbs. Runners complete multiple loops, with aid stations..

The Fall Backyard Burn Trail Run at Fountainhead Regional Park offers participants a choice between a 5-mile and a 10-mile race, set against the scenic backdrop of the Occoquan Reservoir in Fairfax Station, VA. Known for its beautiful hiking trails and challenging terrain, this event has been a favo..

The Mid-Maryland Trail Festival 50k is an exciting running event taking place in Elkridge, MD, featuring a challenging 31-mile course comprised of six loops through scenic wooded trails. Participants can choose to run the entire 50k solo or form relay teams of up to six members to share the distance..

The Dahlgren Trail Half Marathon is a scenic running event taking place on the Dahlgren Railroad Heritage Trail in King George, Virginia. This half marathon features a flat, out-and-back course that showcases the natural beauty of the area. Participants can enjoy cash prizes, custom finisher medals,..

The ICY-8 Spotsylvania Courthouse is an exciting trail running event taking place at Lake Anna State Park in Spotsylvania, VA. Scheduled for February 7, 2026, this event features an 8-hour adventure trail run and a new Half Marathon+ option. Participants can choose from various loop distances, inclu..