The 20th Annual Harris Clash I-M-C-A Modifieds will have their show at the Knoxville Raceway tonight. The Harris Clash draws modified drivers from around the Midwest and is a $2,000 to win event making one of the biggest paydays for many of the drivers. According the Knoxville Raceway, 78 teams have preentered for the event including NASCAR Driver Kenny Schrader. Richie Gustin is the defending champion. Action is scheduled to get underway tonight at the Knoxville Raceway at around six-30.