Trail Running calendar near Spencerville 2025-2026

The VHTRC Women's Half Marathon will take place in Fairfax Station on Saturday 13 September 2025. You can run between 7 and 13 miles.

The 12 Hour - Adventure Trail Run is an endurance event held at Prince William Forest Park near Triangle, VA. Participants run on a 6.5-mile looped trail course featuring single track, fire roads, and varied terrain with hills, rocks, roots, and mud. The event challenges both novice and experienced..

The Valley View Hard Cider Challenge Half is a scenic and challenging race held at Valley View Farm in Delaplane, VA. Participants can choose from a half marathon, 10k, or 5k course, featuring cross-country, trail, and hill segments. The event offers a festive atmosphere with a finish line cider, fi..

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 Final Countdown Tribute is an exciting running event hosted by 2 Lowe Run Company at Amani Brewing in Martinsburg, WV. This unique race features a 1.33-mile loop course where participants must complete laps within a progressively decreasing time limit. Starting with a 20-minute lap, the time sho..

The Brandy Station Battlefield 10k and 5k is a scenic trail race held at the historic Brandy Station Battlefield in Virginia. Participants can choose between a cross-country 10k or a 5k gravel dirt road course, with some elevation gains. The event features chip-timed results, finisher medals, and te..

The Bear Trail Half Marathon & 10K takes place at Lums Pond State Park in Bear, Delaware, featuring a scenic course that incorporates the Little Jersey and Swamp Forest trails. The event is designed for runners of all levels, offering a mix of single track and wide trails with relatively flat elevat..

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 Full Distance 10k and 5k is a scenic trail race held at Locust Shade Park in Triangle, VA. Participants can choose between a 5k or 10k course, with the event featuring chip timing, finisher medals, and technical event shirts. The course includes trail segments with some roots and hills, and wate..

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..

The Wilderness Run 10k is a scenic cross-country race held at Wilderness Run Vineyard near the historic Chancellorsville and Wilderness battlefields. The event features both 5k and 10k courses with hills and trail terrain, offering a challenging and picturesque experience. Participants receive a fin..

The Delaware Trail Fest is an exciting running event taking place at Lums Pond State Park in Bear, Delaware, on October 18, 2025. This festival celebrates the beauty of Delaware's trails and offers various race options, including a 12 KM trail, a 24 KM trail, a 12-hour Lone Wolf challenge, and a 12-..

The Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers runners a scenic and challenging experience on a 5.1-mile singletrack course with minimal pavement and about 300 feet of elevation gain per lap. Participants can choose to run one lap (5 miles) or two laps (10 miles), with t..

The Patapsco Valley 50K is an annual ultramarathon held in Baltimore, Maryland, at Patapsco Valley State Park. The event features a scenic, well-marked trail course with options for 50K and 25K distances, including virtual categories. Runners receive high-quality event shirts, finisher awards, and e..

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 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, gentle hills, and stunning views along th..

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 Rosaryville Veterans Day Trail Race, held annually in Upper Marlboro, Maryland, features 50K and 20K trail races through Rosaryville State Park's scenic wooded trails and meadows. The event celebrates veterans and offers a challenging yet accessible course with rolling hills, mostly single-track..

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, and open fields with natural..