DAYTONA BEACH, Fla.—The sun has risen over the banking at Daytona International Speedway, revealing to the waking fans which cars have survived the night. The remaining cars competing in the Tudor United SportsCar Championship Rolex 24 are taped, scraped, scratched and covered in rubber dust—but if they are still running—or can be made to run—their teams will begin preparing for the final six hours, which is when the real racing begins.

The #17 Team Falken Tires Porsche blew its motor after 18 hours of flawless running. Chris Jasurek/Epoch Times