Trail Running calendar near Fairfax Station 2026-2027

A trail event at Burke Lake Park on December 24 offering in-person 5k and 10k courses around the lake plus virtual options with medal and shirt choices. Walkers are welcome.

A minimally marked 40.3 mile loop through the Massanutten Mountains that passes historic furnace ruins about halfway. The course has three aid stations, 6500 feet of climbing, and requires self navigation and self support.

A 31.7 mile New Year event in Prince William Forest Park run as three loops on groomed trails and some gravel roads. Unmanned aid at the start and finish is supplied by participants and entry is limited to 120.

Experience a scenic out and back half marathon on the flat and smooth Dahlgren Railroad Heritage Trail. Enjoy a unique post race campfire with roasted donuts and earn a custom finisher medal.

A supported point to point mountain training run of 32 miles that follows much of the first third of the MMT 100, with two aid stations, required car shuttle, limited club support, and recommended GPX and turnsheet navigation.

A 5K and a half marathon along the C&O Canal in Georgetown on January 17, 2027, with virtual options and points toward year-long series.

A January running event in Bethesda with 5K, 10K and half marathon courses at Carderock Recreation Area, plus virtual options and series points.

A scenic Potomac River road race in Potomac, MD offering 5K, 10K, half marathon and virtual options with walkers and strollers welcome.

A 50 km trail run at Hashawha Environmental Center in Westminster MD, featuring varied single-track, open fields, stream crossings and 5 aid stations. Entry for 2027 uses a lottery opening January 1, with indoor facilities and hot post-race..

The RRCA Club Challenge will take place in Columbia on Sunday 28 February 2027. You can run 10 miles.

Riverside 8k and 16k in Potomac on February 28, 2027, with courses along the Potomac River and the C&O Canal path running north; nearby waterfalls and virtual participation options are available, and walkers are welcome.

An annual eight hour timed trail event on a 5.5 mile loop at Little Bennett Park in Clarksburg, MD with mostly single-track trails.

The Elizabeth Furnace 50 km is a technical mountain trail race in the Massanutten range covering 30.5 miles and about 6,400 feet of ascent. Aid is limited with staffed stations near 10 and 22 miles so runners must carry personal supplies.

St. Patrick's Half and Marathon in Georgetown, Washington DC features races along the Chesapeake and Ohio Canal, a Boston qualifying full marathon, and virtual participation options.

A Last Runner Standing backyard ultra in Lorton, VA on March 20, 2027, using a 4.167 mile (6.7056 km) hourly loop with a limited 65-runner field, chef-supported aid, and entry by Ultrasignup waitlist.

A 14 mile untimed point to point trail run along the Dahlgren Railroad Heritage Trail that starts at one Sheetz and finishes at another. The event features unusual aid station snacks and practical finisher swag.

Genesee Valley Ultra is a timed loop trail event at Genesee Valley Outdoor Learning Center in Parkton, MD. Runners choose 24 hour, 12 hour, or 6 hour formats to complete as many laps as possible on a 2 mile loop, with chip timing and awards..

A 50 mile trail race near Clifton, Virginia on April 4, 2027, run over forested, rolling terrain in spring. Entry opens October 1, 2026; the race has a 13-hour limit and a $125 entry fee.

Run to Remember in Sykesville uses a 5.25 mile loop at Piney Run Park for 50K, 25K, a 5 miler and an 8 hour challenge. Fees include park entrance, a custom ice bandana and a commemorative mug.

The Spring Hops will take place in Mount Airy on Sunday 18 April 2027. You can run 5 kilometers.