Join Trailnet for a weekly, easy-paced, guided ride on a paved trail in Great Rivers Greenway’s River Ring network. The rides are free and will give both new and experienced bikers the chance to explore a different greenway location in St. Louis City, St. Louis County or St. Charles County each month. During the month of July, attendees can participate in a 4.8-mile trip along the River des Peres Greenway, from Carondelet Park to Fultz Field and back again. Registration begins at 5:30 p.m. in Carondelet Park, at the intersection of South Grand Blvd. and Holly Hills Ave. (near the YMCA), with rides departing at 6 p.m. There will be a brief “fix-a-flat” lesson offered between 5:30 and 6 p.m. to show people how to fix a flat bike tire and discuss what spare equipment is necessary to carry for spur-of-the-moment bike repairs. For more information, call 314-436-1324, email meredith@trailnet.org or visit www.greatriversgreenway.org.