Rick O'Donnell Memorial Ultra Challenge

The Blue Crab Bolt Trail Run at Schaeffer Farms in Germantown, MD, offers a fun and moderately technical trail running experience on well-maintained, flowy trails. The course features twisty single-track paths, stream crossings, log ramps, some hills, rocky and rooty sections, and open farm field ru..

The Blue Crab Bolt Trail Run at Little Bennett is a scenic trail running event held at Little Bennett Regional Park in Clarksburg, Maryland, about 30 miles west of Washington, D.C. The park offers a 3600-acre wooded area with over 20 miles of trails, streams, and camping facilities. The race feature..

The MD Heat Trail Race, held in Elkridge, Maryland at the Patapsco Pickall Area, offers challenging trail running distances of 25K and 50K. The course features rolling single-track trails with over 2,000 feet of elevation gain, including technical rocky sections, two river crossings, and a short pav..

The Patapsco Valley 50K is an annual trail running event held at Patapsco Valley State Park near Baltimore, Maryland, with race headquarters at CCBC-Catonsville. The event features two main distances: a 50K and a 25K, both available as in-person or virtual races. Runners enjoy a scenic, historic, an..

The Fall Backyard Burn Trail Run at Riverbend Park in Great Falls, VA, is a scenic trail running event featuring 5-mile and 10-mile race options. Set adjacent to the Potomac River and near Great Falls National Park, the course offers beautiful riverside singletrack trails with a few short hills and..

The MCRRC Stone Mill 50 Mile Run is a challenging trail ultramarathon held in Montgomery Village, Maryland. The 50-mile course features scenic routes along the Seneca Greenway and Muddy Branch trails, traversing forested, rolling terrain primarily on single-track dirt paths. Runners encounter small..