11 Americans and 13 international drivers have been entered in the Premier Chevy Dealers Knoxville World Challenge this August. The 24 cars break the previous record of 20 set in last year’s World Challenge that will be run August 13th during the 50th Goodyear Knoxville Nationals. The drivers list reads like a who’s who among sprint car drivers. International drivers include Defending Champion Lynton Jeffery, Skip Jackson, and father and son Max and Mitchell Dumesny (DUMBS-nee). Americans include, Wayne Johnson, Terry McCarl, and Jonathan Allard among others.