Greenway Network, an all volunteer organization that fosters the environmental health of St. Louis/St. Charles Metro Area, conducts the Race for the Rivers each fall. After the successful addition of the Ride for the Rivers last year, it has become an annual part of the Race for the Rivers. There will be 3 rides - a 35 mile ride orginating in Washington, Mo. and ending at Frontier Park in St. Charles, and 5 and 25 mile rides in originating and ending at Frontier Park.