List of all Houston Indycars races held in IRL championships

Race Winner Track Race Start
Houston Indycars 2013 Houston Indycars Marc Goossens
Lola T96/50
Houston-NRG 5th October 2013
Houston Indycars 2013 Houston Indycars Ricardo Zonta
Lola T96/50
Houston-NRG 6th October 2013
Houston Indycars 2014 Houston Indycars Juan Pablo Montoya
Lola T96/50
Houston-NRG 28th June 2014
Houston Indycars 2014 Houston Indycars Stéphane Sarrazin
Lola T96/50
Houston-NRG 29th June 2014