The Daytona 500 has resumed after two weather delays totaling more than 3 1/2 hours, and with President Donald Trump set to watch the rest of the race in Florida, after he earlier led drivers on two laps around the track in his heavily armored presidential limousine known in Washington as “The Beast.

Daytona 500 saw a rain delay early in the race. Here's why NASCAR can't race through bad weather at Daytona, plus how they dry the track.

How long will Daytona 500 be on rain delay? Daytona International Speedway has lights meaning the Daytona 500 can be held at night. But how long will NASCAR be willing to wait out