Trail Running calendar near Great Falls 2025-2026

We have found 78 Trailruns within 80 miles of Great Falls. See below where and when you can find the races.

The 3H Trail Half Marathon, scheduled for August 2, 2025, in King George, VA, offers participants a scenic out-and-back course along the Dahlgren Railroad Heritage Trail. This flat and smooth trail, ideal for running, features a variety of surfaces and is shaded by trees, providing a comfortable env..

The MD Heat Trail Race, scheduled for August 9, 2025, offers participants a choice between a 25K and a 50K trail run in the scenic Patapsco Pickall Area of Elkridge, MD. The course features rolling single tracks, technical sections, and two river crossings, providing a challenging yet enjoyable expe..

The Third Winchester Battlefield Half, held on August 9, offers scenic trail routes through the historic battlefield. Participants can choose from a half marathon, 10k, or 5k race, with the half marathon consisting of three loops on a light gravel dirt path. The event features chip-timed results, fi..

The Miner's Lady 8-Hour is an exciting running event set in the scenic backdrop of Harper's Ferry, WV, where the Blue Ridge mountains meet the Shenandoah River. Participants will tackle a beautiful 10K loop featuring 850 feet of elevation gain, with a mix of single track trails, waterfalls, and cree..

September 2025

The Inferno 10k is a challenging trail race held at Dirt Farm Brewing in Bluemont, VA. Participants navigate rugged forest trails with steep inclines, technical spots, and elevation changes, offering an exhilarating outdoor experience. The event also features a 5k race, with both distances starting..

The Vineyard Vista 10k and 5k is a scenic running event held at Muse Vineyards in Woodstock, VA. Participants can enjoy a course that combines cross-country around vineyards, paved road sections, and trail segments through Seven Bends State Park. The event benefits Friends of Seven Bends State Park..

Trails 4 Tails is an exciting running event taking place at Codorus State Park in Hanover, PA, featuring a 40 Mile Ultra, a 40 Mile Relay, and a 25K+ race. The course consists of a scenic 5.72-mile loop that includes single track trails and beautiful shoreline views around Lake Marburg. Participants..

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 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..

October 2025

The Rehab Rover Canicross and Trail Race is an exciting event taking place in Gordonsville, Virginia, featuring a 10K, 5K, a casual dog-friendly 5K, and a virtual 5K option. Scheduled for October 4, 2025, this race promotes the bond between participants and their dogs as they navigate scenic trails..

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 Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, VA, offers an exciting opportunity for runners to enjoy a scenic and challenging course. Participants can choose between a 5-mile or 10-mile race, both featuring beautiful views of the lake and a mix of smooth singletrack and technical..

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..