Approximately 3,500 cyclists, support staff and fans will converge June 19 at the University of Colorado at Boulder to begin the 431-mile Ride The Rockies bicycle tour. Registration, seminars, food and entertainment will be available on campus from 9:30 a.m. until 9 p.m. Organizers expect about 850 tour participants to camp in designated areas on campus June 19. All Ride The Rockies events, except for the bicycle tour and camping, are open to the public.