If he can pull it off, Kurt Busch's name will be in the record books forever.
Busch is trying to become the first driver in a decade to race in both the Indianapolis 500 and a Sprint Cup Series race in Charlotte on the same day.
No driver has ever won both.
Eight drivers have tried to race all 1,100 miles in one day, but just one has actually done it.
Tony Stewart completed the Memorial Day Double back in 2001.
Jimmie Johnson won the pole for the Coca-Cola 600, to be held on Sunday.
On the Nationwide Series side, qualifying will be held tomorrow at 10:40 a.m. before the race itself starts at 2:45 p.m.
The 98th running of the Indianapolis 500 starts at 12:12 p.m. Sunday.
The green flag drops on the Coca-Cola 600 at 6 p.m. Sunday at Charlotte Motor Speedway.