Trail Running calendar near Knoxville 2026-2027

A night trail event at Prince William Forest Park with a 25+ mile loop run twice to form a 50+ mile race. The course is mainly single track, features staffed aid stations, and has specific crew and pacer rules.

A chip timed 5k at Corteau Vineyards in Mechanicsville, Maryland on June 13, 2026, featuring vineyard scenery, a t-shirt, collapsible wine glass, finisher medal that doubles as a wine stopper, and an on-site wine pour.

A community 5K and 1 mile Fun Run in Warrenton, VA that raises funds for Fauquier Education Farm, a 501(c)(3) that advances agricultural education and donates its harvest to local food banks.

A trail running festival at STCC Park on June 13, 2026, featuring a one-loop 1.6 mile course and multiple chip-timed events from a kids race to 5K, 10K, 1-hour and 2-hour formats. Hosted by Timber Hill Timing.

A self-timed 4 miles run in Bel Air as part of the Harford County Running Club Dog Days of Summer Series. The course mixes trail and road, is not stroller friendly, and parking is at Prospect Mill Park.

A Juneteenth trail event in Germantown on June 19, 2026 offering 6K and 12K distances plus virtual options, with a hilly course around Button Farm and the Schaeffer Farm Trails and welcome to walkers.

A summer cross-country series with four races, three confirmed at local high schools. Online pre-registration is free and a $5 cash fee is collected on race day.

A rugged out-and-back trail event in Cunningham Falls and Gambrill State Parks on June 20, 2026 offering a 50K and a 25K Half Cat with three aid stations, strict crew and hydration rules, and a recently rerouted section that lengthens the c..

A 5 km and 10 km event along the Chesapeake and Ohio Canal path in Georgetown, Washington, DC on June 20, 2026. Walkers are welcome and registration fees vary by date with separate pricing for each distance.

Trail races at Seneca Creek State Park on June 27 2026 feature 5K and 10K courses through lakeside singletrack and streams, with aid stations, park parking, post race food, and age category awards.

A 12 hour trail race on a five mile single track loop in Berkeley Springs WV with technical terrain and about 750 feet of elevation gain per loop. Full aid at start and finish, awards and a 50 Mile Club recognition for 10 loops.

A mud-run fundraiser in King George, VA on June 27, 2026, featuring a 4-mile obstacle course and a 1-mile kids run, organized by the Dahlgren Lions Club with team awards by group size.

Trail runs at Rocky Ridge County Park near York, PA offer looped courses up to 50K on rocky, rolling terrain with several steep climbs. Registration and shirt deadlines apply and proceeds benefit a local charity.

A 5K trail race at Agricultural History Farm Park in Derwood, Maryland. MCRRC members run free with a 2026 bib and chip while non members pay a set fee and can register online through race start.

A free 5K fun run on July 4, 2026 organized by Great Falls TrailBlazers. The loop course goes through the woods, meets at the Great Falls Library, is open to all ages and is pet friendly.

A themed Forrest Gump fun run at Lakeside Loop in New Town Village, Owings Mills, offering a full 4.4-mile loop or a 1-mile out-and-back option. The event is free and participants are encouraged to wear the red hat, yellow top and red short..

A trail-based running event at Needwood Lake Circle in Maryland on July 11, 2026 offering 5 km, 10 km and virtual entries with medal and shirt options.

A 5K and 10K event at Nottoway Park in Vienna, VA on July 11, 2026, with multiple virtual options and tiered entry fees.

A trail race at Gunpowder State Park listed as 7 miles with a route that crosses county lines, features rolling hills, water crossings and occasional mud. Registration is free and donations are accepted on race day.

A roughly 50 km trail ultramarathon on the southern Massanutten range with about 5,700 feet of elevation gain, six aid stations, and a post run gathering at the Route 211 commuter parking lot. Entry is limited to 75 runners.