The third annual Tallgrass Tour will be held on Saturday at 2932 LA Cann Drive. Tallgrass Tour is northern Oklahoma’s premier bike tour with all the proceeds of the event going to the Mar-land Children’s Home. With seven different routes, there is a ride for everyone. You can still register at www.bikereg.com/tallgrasstour. The route includes a 25 mile ride, 50 mile ride, 100 mile ride, 100…