The McHenry Area Chamber of Commerce invites you to participate in its Annual "Radical River Road Rally". There will be course with alternate starting points. Participants will be assigned a starting point which will have 15 checkpoint locations. You will be given clues as to where your next location will be. Once there you will have to perform a fun activity before you receive your clue to your next location. Winners are calculated by mileage and not by time. No speeding allowed.