The Knoxville Hospital & Clinics Foundation is bringing back its annual 410 Dash on Saturday, August 14th to coincide with the Knoxville Nationals. This is a 4.1-mile run around the city, starting at Knoxville Raceway with a lap around the dirt oval. Registration costs $25 before July 23rd and $40 after. Proceeds will go toward Knoxville Hospital emergency room renovation and clinic expansion.