IndyCar qualifying groups

Below, are the groups for this afternoon's GoPro Grand Prix of Sonoma qualifying session.

Group 1:

Graham Rahal
Juan Pablo Montoya
Helio Castroneves
Tony Kanaan
Simon Pagenaud
Charlie Kimball
Marco Andretti
Ryan Briscoe
Gabby Chaves
Luca Filippi
Tristan Vautier
Oriol Servia

Group 2:

Ryan Hunter-Reay
Josef Newgarden
Scott Dixon
Carlos Munoz
Will Power
Sebastian Saavedra
Mikhail Aleshin
Sebastien Bourdais
Takuma Sato
Rodolfo Gonzalez
Jack Hawksworth
James Jakes