The Dark Side 8 Hour Ultra

The Rick O'Donnell Memorial 5 Mile Trail Run and Ultra Challenge is an annual running event held in Mount Airy, MD, organized by the Frederick Steeplechasers Running Club. The event features three distinct challenges: a 5-mile trail run, a 4-hour challenge, and an 8-hour ultra challenge, allowing pa..

The Patapsco Valley 50K is an annual trail running event held in Patapsco Valley State Park, Baltimore, MD, featuring both 50K and 25K distance options. Participants can choose to run virtually or in-person, with a scenic and well-marked course supported by five aid stations. All runners receive a h..

The Fall Backyard Burn Trail Run at Lake Fairfax in Reston, VA, offers participants a choice between a 5-mile and a 10-mile course, both featuring scenic singletrack trails with some elevation changes. Scheduled for October 20, 2024, the event aims to promote local community engagement through a cha..

The Schaeffer Half Marathon and 10K Trail Run, organized by EX2 Adventures, takes place at the scenic Button Farm in Germantown, MD. This event features a challenging course with twisty singletrack and open farm fields, offering participants a unique running experience. The half marathon covers appr..

The Bobcat Trail Run is an 11-mile trail running event held in Cunningham State Park, Thurmont, MD. Designed for runners of all abilities, the course features a mix of rocky terrain and scenic views, with a total elevation gain of approximately 2,200 feet. Participants have a generous time limit to ..

The MCRRC Stone Mill 50 Mile Run is an annual ultramarathon event held in Montgomery Village, MD. Scheduled for November 9, 2024, this challenging race attracts long-distance runners who navigate a scenic and demanding course. Participants can register online, and the event offers various amenities ..