List of all Houston Indycars races held in IRL championships
| Race | Winner | Track | Race Start | |
|---|---|---|---|---|
 |
2013 Houston Indycars |
Marc Goossens Lola T96/50 |
Houston-NRG | 5th October 2013 |
|
2013 Houston Indycars |
Ricardo Zonta Lola T96/50 |
Houston-NRG | 6th October 2013 |
|
2014 Houston Indycars |
Juan Pablo Montoya Lola T96/50 |
Houston-NRG | 28th June 2014 |
|
2014 Houston Indycars |
Stéphane Sarrazin Lola T96/50 |
Houston-NRG | 29th June 2014 |