The Little Sioux Valley Conservation Association and The O’Brien County Conservation Board invites the public to the Prairie Heritage Center August 5 for a scenic trail walk/run/race where you can choose a 1/5 mile or 3/1 miles route. Registration for the event begins a 6?45am with the event starting at 7:30am. No race fee or preregistration, but donations are welcome. The Prairie Heritage Center is located at 4931 Yellow Avenue, Peterson. All ages are welcome to attend this free event.