The last day to order Knoxville Chamber of Commerce Nationals t-shirts is tomorrow. The chamber is selling red t-shirts with the slogan Local, Shop, Eat, Drink, Race, #IChooseKnoxville on the front to be worn on Friday, August 9th as a way to welcome race fans during Nationals as well as to promote unity and supporting local business. Participants will be featured on the Knoxville Chamber of Commerce social media on that Friday, August 9th. Shirts are $15 and can be ordered by clicking here: