LIVE from the Knoxville Nationals
Presented by Mobil 1 Truck & SUV
Veteran Flagman Doug Clark Speaks
For 40 years, Doug Clark has been the flagman for a variety of races and for 36 years, he has been the chief starter at Knoxville Raceway. As racing kicks off at this year’s 59th Knoxville Nationals, he took a few minutes to chat with Ralph Sheheen.
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