Trail Running calendar near Herndon 2025-2026

RTB Fair Winds 5k/Fun Run is held at Quiet Waters Park in Annapolis, Maryland. The event offers a 5K, a Fun Run, and a Virtual 5K/Fun Run option. Runners traverse a fully paved course through woods and meadows, presenting a scenic park setting.The atmosphere is upbeat and community-minded, with cost..

The Halloween Horror event on October 26 takes place at Conway Robinson State Forest in Gainesville, VA. Distances offered: 5k 10k Walkers are welcome. A virtual race option is available. Points from the event count toward the 5k, 10k and Back of the Pack series and toward the Fall Series. The ev..

Fire on the Mountain 50K Trail Race takes place in Green Ridge State Forest near Little Orleans, Maryland. The event offers a 50K (about 31.95 miles) and a 25K (about 16.3 miles) on a mix of trail, forest roads, and dirt roads. The 50K is out-and-back with seven aid stations (three hit twice) and an..

EX2 Adventures' Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA offers 5-mile or 10-mile trail options along the Potomac River just west of Great Falls National Park. The course features riverside singletrack, a few short hills, and non-technical terrain with scenic views; elevatio..

The MCRRC Stone Mill 50 Mile Run is a 50-mile trail ultramarathon in Montgomery Village, Maryland, organized by MCRRC. The course uses forested, rolling terrain along the Seneca Greenway and Muddy Branch trails in Montgomery County, primarily on single-track dirt trails with small stream crossings...

Rosaryville Veterans Day Trail Race, held in Rosaryville State Park in Upper Marlboro, Maryland, offers 50K and 20K trail distances on wooded perimeter single-track trails. The course features rolling hills with about 2,600 feet of elevation gain, mostly through deep woods and meadows, with scenic v..

The Schaeffer trail runs take place on Saturday, November 8, 2025, at Button Farm Living History Center in Germantown, MD (16820 Black Rock Road). The event includes in-person and virtual options: Half Marathon, 10K, 5K, plus virtual 10K and virtual half marathon. The race features singletrack trai..

The Barrel Oak Turkey Trot is a pre-Thanksgiving running event held at Barrel Oak Winery in Delaplane, Virginia. It features two race distances: a 3k and a 6k, with the 6k consisting of two laps around a cross-country course that winds through vineyards, gravel roads, and hilly terrain. The event we..

Fall Backyard Burn at Hemlock Overlook is part of EX2 Adventures’ Fall Backyard Burn Trail Running Series. Held at Hemlock Overlook, Clifton, Virginia, the event offers 5-mile and 10-mile trail courses. Elevation gains are about 600 feet for the 5M and 1,200 feet for the 10M.The courses traverse Bul..

Freeze Your Gizzard 5K and 1 Mile is held at Ida Lee Park in Leesburg, Virginia. Celebrating 23 years of running, this cross-country event offers a 5K through Ida Lee Park’s 138 acres and a 1-Mile Fun Run, starting and finishing near the park’s Gazebo. The course features uneven terrain and steep hi..

The Tuckahoe 25k is a trail race in Queen Anne, Maryland. It covers 25k (about 15.5 miles) on mostly single-track trails with some wider horse trails. The course is not overly technical but includes runnable hills, rooty, muddy sections, and varied conditions.Runners can expect three fully stocked a..

The 2025 Herndon Turkey Trot is a cross-country style 5K held on November 22 at the Herndon Community Center, 814 Ferndale Ave., Herndon, VA. The race is open to participants age 4 and up. Runners must complete the 5K in 45 minutes or less. Points from this event count toward the Year-Long 5k &..

Hex Hollow Half takes place at Spring Valley Park in southern York County, Pennsylvania. Runners choose between a 13.13-mile half marathon (two loops) and a 6.66-mile single loop. The course traverses low meadows, mature hardwood forests, and pine-covered wide tracks, featuring roots, rocks, two str..

The Fall Backyard Burn Trail Run at Laurel Hill is scheduled for Sunday, November 23, 2025, at the Workhouse Arts Center in Lorton, VA (9518 Workhouse Way). It is part of the Fall Backyard Burn Trail Running Series. Distances offered: 5.4 miles (one lap) 10 miles (two laps) The event lists a char..

The Winery at Bull Run Turkey Trot offers a scenic trail 5k and 10k through the Manassas National Battlefield Park, starting and finishing near The Winery at Bull Run in Centreville, VA. The course is a cross-country style route across battlefield trails, including dirt paths, a boardwalk, and grave..

The 21st Annual Catonsville High School XC Turkey Trot, held in Catonsville, Maryland, is a cherished community event celebrating health, wellness, and family. It features a cross country-style 1 Mile Family Fun Run and a 5K race, both chip timed. The event fosters a spirited atmosphere with awards..

The Lake Anna Turkey Trot Half is a scenic and challenging running event held at Lake Anna State Park in Spotsylvania, Virginia. It features three race distances: a 5k trail run, a 10k that is half trail and half paved road, and a half marathon with a similar mixed course. Walkers are welcome, and t..

The Run for Valor 10K is a trail running event held at Valor Ranch in King George, Virginia. The race features a 10K run, a 10K weighted ruck, a 5K run, and a 1-mile fun run/walk suitable for all ages and paces. The course traverses farm trails, pastures, woods, and gravel roads, with uneven terrain..

Devil Dog Ultras is a trail ultramarathon in Prince William Forest Park, VA. It offers 100-mile, 100K, and 50K loops on trails with roots and rocks, plus fire roads. The first loop is 23 miles; subsequent loops are 19.5 miles.The 50K is one loop plus a 9-mile extension; the 100M runs five loops and..

Fall Backyard Burn Trail Run - Fountainhead is a trail-running event at Fountainhead Regional Park in Fairfax Station, VA. The race offers two distances: a 5-mile loop and a 10.5-mile course, with elevation gains around 450 feet and 1000 feet, respectively. The 5-mile loop is a classic EX2 single lo..