With a simple drop of the green flag, anticipation gives way to intense action. For a demanding 24 straight hours, drivers must endure competition from all walks of racing, unforgiving curves and a track only 20% illuminated at night. If for any second, endurance gives way to mental and physical exhaustion, the chance to triumph slips away as fast as a speeding opponent. Drivers who remain resolute and confident in the face of danger, however, will go further than they ever have before.
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