Traverse Area Recreation and Transportation (TART) Trails, Inc. is a proud partner of the seventh annual Dune Dash, a 4-mile run/walk along the Sleeping Bear Heritage Trail on Saturday, Aug. 18, at 9 a.m. at the Sleeping Bear Dune Climb. Registration is open at DuneDash.com. Registration ranges from $20-$30 per person based on age and prices go up $5 after Aug. 16.