Rain washes out NASCAR's final practices for Daytona 500

Drivers and crew members seek shelter under umbrellas as rain falls before the second of two qualifying NASCAR auto races for the Daytona 500 at Daytona International Speedway, Thursday, Feb. 11, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

William Byron watches as crew members ready his car in the garage before the start of a NASCAR Daytona 500 auto race practice session at Daytona International Speedway, Wednesday, Feb. 10, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

Brad Keselowski (2) slides to the bottom of the track after crashing during the second NASCAR Daytona 500 duel qualifying auto race Friday, Feb. 12, 2021, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)

Denny Hamlin, left, Kyle Busch, center and Martin Truex Jr. talk in a garage before the start of a NASCAR Daytona 500 auto race practice session at Daytona International Speedway, Wednesday, Feb. 10, 2021, in Daytona Beach, Fla. (AP Photo/John Raoux)

William Byron (24) and Ross Chastain (42) crash during the second NASCAR Daytona 500 duel qualifying auto race Friday, Feb. 12, 2021, at the Daytona International Speedway in Daytona Beach, Fla. (AP Photo/Chris O'Meara)