Trail Running calendar near Frederick 2025-2026

Run the Conestoga Crusher on May 16, 2026 at Kelly's Run in Holtwood PA with 10K, 5K and a kids 1.5 mile trail run. Tackle creek crossings, climbs and the Pinnacle Overlook on scenic trails while supporting the Lancaster Conservancy.

Join the Night Raider at the Winery at Bull Run on May 22, 2026 for a festive evening 5k or 10k through scenic Manassas Battlefield trails. Enjoy chip timed results, a finisher medal, a technical shirt and a complimentary glass of wine.

The Old Dominion is a 100 mile loop through the Massanutten Mountains, offering rugged climbs and mixed road and trail terrain. Part of the Grand Slam of Ultrarunning, it runs June 6, 2026 with a 24 hour silver buckle cutoff.

Run a flat, fast five mile out and back along the shaded C&O Canal Towpath in Williamsport, MD on June 6, 2026. Enjoy chip timing, tech shirt options and age group awards in a friendly community race.

Run under the stars in Prince William Forest Park at the OSS/CIA 50 Mile Night Run, with 50 mile, 25 mile and 10 mile options on scenic single track and fire roads. Expect rugged trails, moonlit views and well stocked aid stations.

Run scenic single track trails at the Blue Crab Bolt Trail Run at Seneca Creek State Park on June 27, 2026. Choose a 5K or 10K and enjoy woods, lake views and streams as the kick off to the Blue Crab Bolt series.

Take on the Sweet Air Trail Race at Gunpowder State Park on July 12, 2026, a scenic out and back with rolling hills, faster stretches, water crossings and a bit of mud. Limited to 100 runners, entry is free and donations are welcome.

Annapolis Striders unites runners in Annapolis, MD with road and trail races from 1 mile to ultramarathon and training programs for beginners to marathoners. Enjoy community races and a lively event calendar year round.

The 868 Estate Vineyards 10k will take place in Hillsboro on Saturday 25 July 2026. You can run between 5 and 10 kilometers.

Run scenic, moderately technical trails at Schaeffer Farms in Germantown, starting and finishing at the Button Farm Living History Center. Choose a 5K or 10K for a rooty, stream crossing adventure while supporting local charities.

The Third Winchester Battlefield Half will take place in Winchester on Saturday 8 August 2026. You can run between 5 and 13 miles.

Take on the MD Heat Trail Race in Patapsco Pickall near Elkridge with 25K and 50K options on rolling, technical single track with river crossings and rewarding climbs. Relax at the finish with food, beer and a festive post race vibe.

The Leopold's Preserve 10k will take place in Broad Run on Sunday 23 August 2026. You can run between 5 and 10 kilometers.

Hit the forest trails at Dirt Farm Brewing on August 29, 2026 for the Inferno 5k and 10k. Tackle a scenic, technical loop, earn a finisher medal and a Dri FIT shirt, and toast with a glass of Dirt Farm beer. Virtual option available.

Join the Sasquatch Preservation Trail Run in scenic Seven Valleys, PA on September 12, 2026 for a fun 5K or 10K through rolling trails and forest scenery. Volunteers welcome to help keep this community event running strong.

Trails 4 Tails at Codorus State Park offers a scenic, rolling course for the 40 mile ultra, team relay or 25K with mixed singletrack, fields and lake views. Full aid station, camping and nearby lodging make it a fun day on the trails.

Join the Kettle Cooker Five & Dime at Glenroy Preserve for scenic loop trails with 5 mile, 10 mile and 25K options over hills, creeks and rocky terrain. Chip timing, aid stations, a soft tee and post race beer make it a great day.

Run scenic, historic trails in Patapsco Valley State Park with 50k and 25k options plus virtual entries that include same shirt and award. Enjoy well stocked aid stations, volunteer support, and a festive finish near CCBC Catonsville.

Halloween Horror 5k & 10k returns to Conway Robinson State Forest Park in Gainesville, VA, offering a forest trail race with a Halloween theme. The event features 5k and 10k distances, with the 10k being two laps of the 5k course. The loop..

Fire on the Mountain features 50K and 25K trail races through scenic, rugged Green Ridge State Forest near Little Orleans MD on November 1, 2026. Registration opens Feb 2, 2026 and a fall training run on Sep 27 uses the red trail for roughl..