High Rock Mountain Running Challenge

Trails 4 Tails in Hanover, PA, is a trail running event held at scenic Codorus State Park, featuring a 5.72-mile loop course around Lake Marburg with single track trails and shoreline views. The event offers three race options: a 40 Mile Ultra (7 loops, ~4,200' elevation gain), a 40 Mile Relay (team..

Mountain Creek Mayhem takes place at Pine Grove Furnace State Park in Gardners, PA, within Michaux State Forest in the northern Appalachians. The event offers 50K, 20-Miler, and Half Marathon distances, featuring flowy single-track, ridgelines, rocky descents, and sweeping views. Elevation gains run..

The River's Edge Endurance Challenge, held in Brunswick, Maryland, is a multi-event running competition featuring a 5K (3.1 miles) race, a 3-hour endurance race, and a 6-hour endurance challenge. The event takes place primarily on the scenic River's Edge Trail system, with about one mile on school p..

The memorial trail race organized by the Frederick Steeplechasers Running Club takes place at Milkhouse Brewery at Stillpoint Farm in Mount Airy, Maryland. In its 13th year, it offers three options: a 5-mile trail run, a 4-hour challenge, and an 8-hour ultra. The event honors club members and embodi..

The C&O Canal 100 is a 100-mile ultramarathon held in Knoxville, Maryland, along the scenic C&O Canal towpath near the Potomac River and Appalachian Mountains. The course features one approximately 40-mile loop followed by two 30-mile loops, starting and finishing at Camp Manidokan. Runners enjoy a..

The More Miles Last One Standing Challenge is an endurance running event held in Knoxville, Maryland, featuring a unique "last one standing" format. Participants run a 4.167-mile loop, known as "the yard," every hour on the hour, continuing as long as they can complete the distance within the hour...