The 23rd annual Spring Backyard Burn is a series of 5 and 10 mile trail running races held on some of the best trail networks in the Northern Virginia Area. All the courses include a mixture of forested fire roads, twisty hiking trails, stream crossings, grassy fields, and minimal pavement.

All races are on Sunday mornings at 9am.

Race 1: Wakefield Park on 3/1/26
Race 2: Laurel Hill on 3/15/26
Race 3: Pohick Bay on 4/12/26
Race 4: Lake Fairfax on 4/19/26

Saturday March 28, 2026
Rosaryville State Park
Upper Marlboro, MD

The Rosaryville Half Marathon/10K was added to the EX2 calendar way back in 2014 and it was an immediate hit. Conveniently located right off the Capital Beltway, Rosaryville State Park in Upper Marlboro, MD offers fun and challenging terrain, that is also beginner friendly.  We love Rosaryville…come find out why!!

Sunday May 3, 2026
Fountainhead Regional Park
Fairfax Station, VA

The Fountainhead Half Marathon and 10K hit the EX2 race calendar for the first time in 2013 and it was an instant success! This fun and challenging course is a trail runner’s dream and its location along the banks of the Occoquan Reservoir has some of the most beautiful and remote-feeling terrain in Fairfax County, VA, only 30 minutes outside of Washington D.C.

The 16th edition of Blue Crab Bolt Trail Running Series is back for another round of trail running action at some of the best parks in Montgomery County, Maryland. Similar to our Backyard Burn races, these 5K and 10K courses are fun and challenging and include a mixture of winding singletrack hiking trails, stream crossings, grassy fields, and minimal pavement.

All races are on Saturday mornings at 8am.

Race 1: Seneca Creek on 6/27/26
Race 2: Schaeffer on 7/25/26
Race 3: Little Bennett on 8/1/26

Sunday October 11, 2026
Rocky Gap State Park
Flintstone, MD

Join us for the Rocky Gap 25K, 50K, and Relay Trail Running Race at Rocky Gap State Park in Flintstone Maryland. The race highlights three different beautiful loops in Rocky Gap State Park, varying in length from 4 to 6 miles. The race is open to solo runners and relay teams of 2 or 3 in both the 25K and 50K.

The 21st annual Fall Backyard Burn is a series of 5 and 10 mile trail running races held on some of the best trail networks in the Northern Virginia Area. All the courses include a mixture of forested fire roads, twisty hiking trails, stream crossings, grassy fields, and minimal pavement.

All races are on Sunday mornings at 9am.

Race 1: Laurel Hill on 10/4/26
Race 2: Lake Fairfax on 10/18/26
Race 3: Hemlock on 11/15/26
Race 4: Riverbend on 11/22/26
Race 5: Fountainhead on 12/6/26

Saturday November 7, 2026
Schaeffer Farm Trail System
Germantown, MD

Schaeffer Farms has some of the best singletrack around and we stage the race at a beautiful private farm. Schaeffer is located in Germantown, MD and is an easy drive from anywhere around the DMV on race morning.