Trail Running calendar near Potomac 2025-2026

Run to the Taproom - Creekside Farm Brewery 5K & 8K takes place at Creekside Farm Brewery in King George, Virginia. The event offers scenic 5K and 8K courses on a well-maintained dirt trail through a 1,000-acre farm bordering the Rappahannock River. It is chip-timed with awards for Top 3 Overall and..

Hauser Hill Spiked Apple 5k takes place in Biglerville, Pennsylvania at the Hauser Hill Event Center, a 172-acre ridge-top venue in apple country. The chip-timed 5K Run/Walk starts and finishes at the winery on a cross-country course with uneven footing and gentle inclines, offering vineyard views a..

Quantico 24-Hour Walk, Run & Relay for Charity is held in Quantico, Virginia, benefiting Semper Fi & America's Fund, which supports wounded service members and military families. The event invites walkers, runners, and relay teams to cover mileage by doing laps or jogging several miles, with team an..

The Fall Harvest 5k is a scenic trail race held at Claude Moore Park in Sterling, Virginia. Set amidst the vibrant colors of autumn, the course features forest paths and leaf-covered trails, offering a picturesque experience for both runners and walkers. This event is part of the Run Your PRCS Parks..

Howlin' Coyote Canicross Trail Race, held in King George, Virginia (11617 Caledon Rd), offers two canicross options: a 10K Canicross and a 1-mile Wild Pup. This dog-friendly, non-profit event is part of the Friends of Caledon State Park series and supports natural resources and educational programmi..

The Full Distance 10k is a scenic trail running event held at Locust Shade Park in Triangle, Virginia. The course features a mix of trails and pavement, with about 40% paved and some hills, consisting of four loops for the 10k distance. This chip-timed race welcomes both runners and walkers and is p..

The Trails 4 Miles is an annual trail running event held at Sherando Park in Stephens City, Virginia. The main race is a challenging 4-mile course featuring mixed surfaces, including paved paths and wooded trails through the scenic Sherando Park Mountain Bike Trails. Runners experience beautiful fal..

MoCo Dems 5K Fall FunRun is a 5K run/walk at Agricultural History Farm Park in Derwood, MD. Organized by the Montgomery County District 15 Democratic Caucus, it offers a 5K for adults, a Youth 5K, and a free option for youth 10 and under. The course is a natural trail through the park, with water st..

The Rick O'Donnell Memorial 5 Mile Trail Run & Ultra Challenge takes place at Milkhouse Brewery at Stillpoint Farm in Mount Airy, Maryland. In its 13th year, the event offers three ways to test endurance: a single 5-mile trail loop, a 4-hour challenge, and an 8-hour ultra challenge. The hilly course..

Boulder Dash at Pinesburg Quarry is a running event hosted by Martin Marietta in Williamsport, Maryland. It offers a 5 Mile Challenge, a Family Friendly 5K, and a 1 Mile Fun Run for all levels. The 1 Mile Fun Run and 5K travel on rolling roads and packed gravel around the quarry; the 5 Mile goes int..

The Westover 5k & 10k is a flat, scenic race at Bluemont Park in Arlington, Virginia, along the W&OD Trail. The course is an out-and-back, with the 10k running out-and-back twice. The event is part of Bishop’s Events’ Year-Long 5k/10k/Back of the Pack Series and Fall Series.Walkers and strollers are..

The Wilderness Run 10k is a scenic cross-country trail race held at Wilderness Run Vineyard in Spotsylvania, Virginia, situated on historic Civil War battlefields. The course features rolling hills, with the 10k consisting of two laps of the 5k out-and-back route. Participants enjoy a vibrant atmosp..

Located in Bel Air, MD (Ma and Pa Heritage Trailhead), The Husky Run 5K is a community-focused running event along the scenic Ma and Pa Trail. The 5K is designed for all levels—perfect for beginners, comeback runners, and everyone in between—offering a Sofa to 5K Walk & Run. Participants can expect..

EX2 Adventures hosts the Fall Backyard Burn Trail Run at Lake Fairfax Park in Reston, Virginia. The event offers 5-mile and 10-mile trail options on a mostly singletrack course with a short prologue and minimal pavement, featuring views of Lake Fairfax, challenging rocks and roots, and a few short c..

North Point Fright Night 5K & Haunted Trail is a Halloween-themed community event at North Point High School in Waldorf, Maryland, on October 25, 2025. The day features a 5K on the school’s official cross-country course (certified for competition) with three race waves: Elite, Middle School & Younge..

Run For Your Life 5k is a cross-country 5K Run/Walk held at Verdun Adventure Bound in Rixeyville, Virginia (17044 Adventure Bound Trail). The race takes place on Verdun’s cross-country course across a 67-acre woodland setting, offering a true 5K course suitable for runners and walkers. The event fea..

Patapsco Valley 50K is an annual ultramarathon held near Baltimore, MD, with race headquarters at CCBC-Catonsville. The in-person event offers a 50k and a 25k, plus virtual options, set on a scenic, historic, well-marked trail course through Patapsco Valley State Park. The race features five aid sta..

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 10k is a trail running event held at Conway Robinson State Forest in Gainesville, Virginia. The race features a challenging loop course through forest trails with some technical terrain and minor hills, with the 10k consisting of two laps of the 5k route. Participants receive a..

Gulliver's Run is an annual fundraising event in Lewisberry, Pennsylvania, held on the trails of Gifford Pinchot State Park. It features a 5k trail run and a 3.5k walk for dogs and their human companions (participants may join without a dog). Proceeds benefit canine cancer research and treatment thr..