2018 High Rock Challenge: Registration is now open for Saturday, April 28 race day!

Race day is Saturday, April 28, 2018. Two-member teams compete in mystery events and physical obstacles, which are located throughout the approximately 10-K course. Events are designed to encourage teamwork The course is almost entirely on the Greenbelt trail system. Proceeds from the event help support Greenbelt trail maintenance. The HRC is held in memory of NYPD Officer, John Kelly.