Produced by Northwest Endurance Events, the Pigtails Challenge involves running and walking 50K to 200 miles in 9.4-mile laps around Lake Youngs Watershed, which has rolling terrain with 900 feet of elevation gain per loop.
Organized by Coast Mountain Trail Running, Conquer the Vedder has solo or relay multisport events that include stand up paddleboarding (SUP), gravel or mountain biking, and trail running.
Hosted by Go Beyond Racing, the Stumptown Trail Runs half marathon is a fun, challenging, and well-supported race on the trails of Forest Park.
Produced by Northwest Trail Runs, Lord Hillbilly Trail Run is held on a hilly short-loop course with the challenge of accumulating as much vertical gain—and as much distance—as you can by completing laps within your chosen time limit of 2 hours, 4 hours, or 6 hours.