Harry HartzAAA Champ Car Series DNQs or WDs Click on the Race Number to see the complete results for that race. |
| Race | Site | Position | # | Sponsor / Owner | Car |
|---|---|---|---|---|---|
| 1923-08 | Beverly Hills | WD | 3 | Miller (Cliff Durant) | Miller / Miller |
| 1926-08 | Rockingham | – | 3 | Miller (Harry Hartz) | Miller / Miller SC |