The Knoxville Raceway, Chamber of Commerce and city of Knoxville are collaborating to put together the best Knoxville Nationals to date, and they are looking for additional help. The goal is to make this summer’s 50th annual Nationals the most memorable to date. The raceway, chamber and city are looking to put a few more heads together and discuss ideas on how to make the 50th anniversary the best it can be. Those interested in helping to plan and implement events for this history event are asked to call the Knoxville Chamber of Commerce at 641-828-7555.