Trail Running calendar near Potomac 2026-2027

Enjoy a fast, scenic half marathon along the flat Dahlgren Railroad Heritage Trail in King George, VA on Jan 31, 2026. Cupless racing with SpeedCup options, aid stations, and a custom finisher medal support the local trail.

Run the Patriotic Pursuit on Jan 31, 2026 at Williamsport Park: chip timed 5k, 10k and half marathon along a flat gravel C&O Canal trail. Medal, technical shirt and virtual option included; proceeds benefit Semper Fi & America's Fund.

Join the Little Patuxent River Half Marathon, 10K and 5K in Columbia MD on Jan 31 to Feb 1, 2026 along gentle trail sections by the Patuxent. This edition is sold out, but finishers get shirts, medals and knit gloves.

Brave wooded trails at Prince William Forest Park on Feb 1, 2026 with distances from 5k to 50k, featuring technical hills, roots and scenic views. Support Semper K9 and earn medals, tech shirts and chip timing in this winter trail challenge..

ICY-8 is a trail running event at Lake Anna State Park in Spotsylvania, VA, offering looped formats including an 8 hour adventure, a Half Marathon+, and an 8 mile option. Courses are mostly single and double track trails.

Test your limits on this timed trail ultra at Little Bennett Campground with 5 and 9 hour solo and relay options on a scenic 4.4 mile loop. Enjoy aid stations, Altra demos and a post race chili while supporting Montgomery Parks Foundation.

Run a scenic trail 5k or 10k at The Winery at Bull Run with chip timed results, a finisher medal, tech shirt and a complimentary glass of wine. Proceeds support the Manassas Battlefield Trust.

A seven mile trail race at Cromwell Valley Park featuring rolling hills, fire roads, fields and single-track trails, with post-race food and beer and proceeds supporting the park and Talmar’s therapeutic programs.

Hit the trail on Feb 14 for the 1781 Brewery 5k and 10k at Wilderness Run, a hilly cross country course with walkers welcome. Enjoy a post race beer or wine, a finisher medal and chip timing while supporting Semper Fi and America's Fund.

Celebrate Valentine’s Day with a fun and friendly 5K at Kinder Farm Park in Millersville on Feb 14, 2026. Enjoy a mostly flat loop with gentle hills, chip timing, and awards for top finishers in a welcoming community race.

A half marathon around Gifford Pinchot Lake in Lewisberry, PA, on variable trail surfaces with short runnable climbs. One aid station sits near 6.6 miles and bib pickup is at Sunny Side Pavilion; registration closes Feb 18.

Take on scenic river trails at the Paradise Springs 5k and 10k in Clifton VA on February 28, 2026, featuring challenging rocky sections and plenty of elevation. Finish at Paradise Springs Winery with a finisher medal, tech shirt and a compl..

Trail races near Leonardtown, MD on an ~10.5 mile loop around a 250 acre lake, offered as 17K, 34K, or 50K with two aid stations and a 100 runner limit.

Run a scenic 50 km trail at Hashawha Environmental Center near Westminster MD on Feb 28, 2026, featuring rolling hills, stream crossings and two big loops. Expect runnable single track, ample climbing and warm post race hospitality.

Join the Bigfoot Endurance Trail Race at Rockburn Branch Park in Elkridge on March 1, 2026 with 5 mile, 10 mile and two person relay options on scenic trails. Get a long sleeve shirt, finisher medal, post race beers and support Parkinson's..

On March 1, 2026 at Wakefield Park in Annandale, the Spring Backyard Burn offers 5.5 mile and 10 mile trail race options across singletrack, doubletrack, stream crossings and minimal pavement. The event features aid stations, post race food..

A 31 mile trail event at Rockburn Branch Park in Elkridge Maryland featuring six loops of about 5.179 miles. Relay teams of two to six can share the distance and an aid station is stocked with food and drinks.

A women only trail endurance event near Triangle VA offering 50K and 25K options, two roughly 15 mile loops, five aid stations, and a limited field with a 9 hour cut off.

Take on scenic forest trails at Conway Robinson State Forest with a 5k or two lap 10k, suitable for runners and walkers of all levels. Support the Lost Dog & Cat Rescue Foundation and earn a finisher coin plus a tech shirt.

Run scenic single track trails at Seneca Creek State Park in Gaithersburg March 7, 2026 with the MCRRC Seneca Creek Greenway Trail Marathon and 50K. Finish at the marathon or keep going to earn a 50K medal amid beautiful creekside terrain.