Rain forced Knoxville Raceway officials to postpone Friday night's qualifying race for the 50th Annual Knoxville Nationals.

Friday night's program will be made up on Saturday with racing beginning at noon local time.

Shane Stewart picked up the win in Wednesday night's A-Main with Sammy Swindell dominating Thursday's event.

Saturday's weather forecast for Knoxville, Iowa is for partly cloudy skies with a high of 92 and a low of 69. Chance of rain on Saturday is 10%.

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