Brickyard 400 underway after delay

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The Brickyard 400 has begun after a lightning delay.

The green flag for the race was originally scheduled for 4:24 p.m. ET on NBC. The command to start engines was given at 5:08 p.m. ET. The green flag finally waved at 5:19 p.m. ET.

Joey Logano and Kurt Busch led the field to the green flag.

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