The 92nd Indianapolis 500 is on Sunday, May 25. For the Indy 500 drivers, and those who want to be, the month leading up to the race is the ultimate endurance test. The three weeks before the big race involves practice, times trials, qualification, and the most scrutinized open wheel racing gets all year. This year, as always, there are more potential Indy 500 drivers than there are spots in the race. There are 33 spots in the starting grid, and there are 37 entered drivers and four more cars without designated drivers that are all vying to be there when the race finally gets underway. Those potential Indy 500 drivers and their teams are:

Previous Indy 500 winners

Helio Castroneves, Team Penske
Dan Wheldon, Chip Ganassi Racing
Buddy Rice, Dreyer & Reinbold Racing
Buddy Lazier, Hemelgarn Johnson Racing

Indy 500 Rookies

Justin Wilson, Newman/Haas/Lanigan Racing
Oriol Servia, KV Racing Technology
Graham Rahal, Newman/Haas/Lanigan Racing
Will Power, KV Racing Technology
Alex Lloyd, Rahal Letterman Racing/Chip Ganassi Racing
Mario Moraes, Dale Coyne Racing
Hideki Mutoh, Andretti Green Racing
E.J. Viso, HVM Racing
Jaime Camara, Conquest Racing
Enrique Bernoldi, Conquest Racing
Mario Dominguez, Pacific Coast Motorsports

Returning Drivers

A.J. Foyt IV, Vision Racing
Vitor Meira, Panther Racing
Ryan Briscoe, Team Penske
Danica Patrick, Andretti Green Racing
Scott Dixon, Chip Ganassi Racing
Tony Kanaan, Andretti Green Racing
Tomas Scheckter, Luczo Dragon Racing
Darren Manning, A.J. Foyt Enterprises
Ryan Hunter-Reay, Rahal Letterman Racing
Bruno Junqueira, Dale Coyne Racing
Ed Carpenter, Vision Racing
Phil Giebler, American Dream Motorsports
Davey Hamilton, Vision Racing
Miika Duno, Dreyer & Reinbold Racing
John Andretti, Roth Racing
Marty Roth, Roth Racing
Marco Andretti, Andretti Green Racing
Jeff Simmons, A.J. Foyt Enterprises
Max Papis, Rubicon Race Team
Sarah Fisher, Sarah Fisher Racing
Roger Yasukawa, CURB/Agajanian/Beck Motorsports
Townsend Bell, Dreyer & Reinbold Racing

Team Penske, Panther Racing, American Dream Motorsports, and PDM Racing have entered cars without drivers.