NASCAR putting its safety plan to test as racing restarts
This March 8, 2020 photo shows Brad Keselowski during driver introductions prior to the NASCAR Cup Series auto race at Phoenix Raceway in Avondale, Ariz. Keselowski will start on the pole when the NASCAR season resumes Sunday, May 17, 2020 in Darlington, S.C. The 2012 Cup champion earned the top starting spot through a random draw. (AP Photo/Ralph Freso)

This March 8, 2020 photo shows Brad Keselowski during driver introductions prior to the NASCAR Cup Series auto race at Phoenix Raceway in Avondale, Ariz. Keselowski will start on the pole when the NASCAR season resumes Sunday, May 17, 2020 in Darlington, S.C. The 2012 Cup champion earned the top starting spot through a random draw. (AP Photo/Ralph Freso)

May. 14, 2020 08:26 PM EDT
FILE - In this Sept. 2, 2016, file photo, workers walk along the grandstands in the rain at Darlington Raceway after weather forced NASCAR to call off qualifying for the Sprint Cup and XFinity series auto races. NASCAR says it will resume its season without fans present starting May 17 at Darlington Raceway in South Carolina. (AP Photo/Terry Renna, File)

FILE - In this Sept. 2, 2016, file photo, workers walk along the grandstands in the rain at Darlington Raceway after weather forced NASCAR to call off qualifying for the Sprint Cup and XFinity series auto races. NASCAR says it will resume its season without fans present starting May 17 at Darlington Raceway in South Carolina. (AP Photo/Terry Renna, File)

May. 01, 2020 08:26 AM EDT
FILE - In this Sept. 4, 2015, file photo, Aric Almirola heads for the track during a NASCAR Sprint Cup auto racing practice session at Darlington Raceway in Darlington, S.C. NASCAR will resume its season without fans starting May 17 at Darlington Raceway in South Carolina. As NASCAR speeds back to the race track during the coronavirus pandemic the series has a heavy responsibility to set a safety standard that doesn't slow the return of other sports. (AP Photo/Terry Renna, File)

FILE - In this Sept. 4, 2015, file photo, Aric Almirola heads for the track during a NASCAR Sprint Cup auto racing practice session at Darlington Raceway in Darlington, S.C. NASCAR will resume its season without fans starting May 17 at Darlington Raceway in South Carolina. As NASCAR speeds back to the race track during the coronavirus pandemic the series has a heavy responsibility to set a safety standard that doesn't slow the return of other sports. (AP Photo/Terry Renna, File)

May. 01, 2020 08:22 AM EDT