List of all Seattle Indycars races held in USAC championships
| Race | Winner | Track | Race Start | |
|---|---|---|---|---|
 |
1969 Seattle Indycars |
Alberto Valerio Dallara GP2/08 |
Seattle | 19th October 1969 |
|
1969 Seattle Indycars |
Pastor Maldonado Dallara GP2/08 |
Seattle | 19th October 1969 |