Lean TECHniques will host its first Tech Trek Bike Ride, an event for cycling enthusiasts and casual riders in Waukee on May 10. There is an option of a 24-mile or 12-mile ride, both along the Raccoon River Valley Trail, followed by a happy hour. The 24-mile ride starts at 1 p.m.; the 12-mile ride starts at 3 p.m. To learn more or sign up, visit the event page.