Orange County Ride for AIDS (OCRA) is a fully supported one day ride (not a race) through some of Orange County's most breathtaking scenery. OCRA offers Century (100 miles), Metric Century (62 miles), and Taste of OCRA (30 miles) rides starting in Irvine at the William R. Mason Regional Park. The route travels through the hills and towns of South OC with amazing stretches along the ocean and open spaces. Whether you are participating in a ride for the first time, or an experienced cyclist, this ride is for you.