From Staff ReportsHundreds of people were out Saturday along the Oklahoma River for the annual Stars and Stripes River Festival. A combination of river sport competition and outdoor festival, the event takes place each June in Oklahoma City's Boathouse District. Throughout the day, athletes competed in a number of events including the Riversport Challenge, a 500 meter kayak race and 5k duathlon, the Stars and Stripes Regatta, a 900 meter rowing race featuring top rowers from the region, and the OG&E NightSprints, a corporate rowing and Dragon Boat League championship race held in the evening. Perhaps the most popular attraction was Riversport Rapids, which opened last month.Read more on NewsOK.com