Trail Running calendar near Bel Air 2025-2026

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..

Farm Park Challenge is a trail running event at Agricultural History Farm Park in Montgomery County, Maryland, presented by My Muddy Shoes. The race offers multi-hour lap formats: 3-Hour, 6-Hour, and 10-Hour challenges, totaling 3, 6, or 10 laps, each start at the top of the hour and must be complet..

The Dirty German Endurance Fest is an urban ultramarathon held within Philadelphia's Pennypack Park, a scenic area featuring trails along Pennypack Creek with diverse surfaces including soft dirt, sandy spots, single track, gravel, and some paved bike trail. The event offers 25K, 50K, and 50-mile di..

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...

Loopy Looper is an endurance event held at Cooper River Park, Jack Curtis Stadium, Pennsauken, NJ. The race offers 12-hour, 24-hour, and 101.25-mile options, with the 101.25 mile distance defined as 27 laps of a 3.75-mile paved loop around the park. The course is flat and fast, touted as one of the..