Leon DurayAAA / USAC Champ Car Series Results (top 10s)Click on the Race to see the complete results for that race. View career statistics for Leon Duray |
| Race | Site | Cars | St | Fin | # | Sponsor / Owner | Chassis / Engine | Laps | Money | Status | Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1922-12 | Uniontown | 11 | – | 9 | 4 | Frontenac Motors (Louis Chevrolet) | Frontenac / Frontenac | 76/200 | 0 | engine | 0 |
| 1923-05 | Altoona | 14 | 12 | 7 | 9 | Miller (Leon Duray) | Miller / Miller | 160/160 | 0 | running | 0 |
| 1923-07 | Kansas City | 14 | – | 9 | 9 | Duray / Miller | Miller / Miller | 200/200 | 0 | running | 0 |
| 1923-08 | Beverly Hills | 15 | – | 10 | 16 | Miller (Leon Duray) | Miller / Miller | 174/200 | 0 | running | 0 |
| 1925-02 | Fresno | 10 | 4 | 3 | 28 | Miller (Harry Hartz) | Miller / Miller SC | 150/150 | 0 | running | – |
| 1925-04 | Indianapolis | 22 | 1 | 6 | 28 | Miller (Harry Hartz) | Miller / Miller SC | 200/200 | 2,200 | running | 0 |
| 1925-07 | Altoona | 15 | 8 | 5 | 11 | Miller (Harry Hartz) | Miller / Miller SC | 200/200 | 0 | running | – |
| 1925-10 | Charlotte | 17 | 8 | 9 | 11 | Miller (Harry Hartz) | Miller / Miller SC | –/200 | 0 | running | – |
| 1925-11 | Culver City | 16 | 3 | 8 | 28 | Miller (Harry Hartz) | Miller / Miller SC | –/200 | 0 | connecting rod | 0 |
| 1926-01 | Miami | 18 | 2 | 10 | 12 | Miller (Leon Duray) | Miller / Miller SC | –/240 | 0 | magneto | 125 |
| 1926-02 | Culver City | 16 | 5 | 10 | 12 | Miller (Leon Duray) | Miller / Miller SC | 200/200 | 0 | running | 16 |
| 1926-17 | Altoona | 18 | 6 | 3 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 200/200 | 0 | running | – |
| 1926-19 | Rockingham | 13 | – | 1 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 20/20 | 0 | running | 20 |
| 1926-20 | Rockingham | 17 | – | 3 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 160/160 | 0 | running | 0 |
| 1926-21 | Charlotte | 6 | 2 | 6 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 7/20 | 0 | ignition | 0 |
| 1926-23 | Charlotte | 12 | 3 | 2 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 40/40 | 0 | running | – |
| 1926-24 | Charlotte | 9 | – | 1 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 80/80 | 0 | running | – |
| 1927-01 | Culver City | 18 | 7 | 1 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 200/200 | 0 | running | 34 |
| 1927-04 | Altoona | 16 | 1 | 7 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 160/160 | 0 | running | – |
| 1927-05 | Rockingham | 17 | – | 10 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 119/160 | 0 | supercharger | 0 |
| 1927-06 | Altoona | 14 | 4 | 5 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 160/160 | 0 | running | – |
| 1927-07 | Charlotte | 10 | 6 | 7 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 13/20 | 0 | quit | – |
| 1927-08 | Charlotte | 11 | – | 2 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 40/40 | 0 | running | – |
| 1927-09 | Charlotte | 13 | – | 5 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 80/80 | 0 | running | – |
| 1927-10 | Rockingham | 13 | 6 | 8 | 12 | Miller (Leon Duray) | Miller FD / Miller SC | 49/52 | 0 | running | – |
| 1928-03 | Rockingham | 14 | 1 | 1 | 4 | Miller (Leon Duray) | Miller FD / Miller SC | 12/12 | 0 | running | – |
| 1928-04 | Rockingham | 14 | 1 | 7 | 4 | Miller (Leon Duray) | Miller FD / Miller SC | 148/148 | 0 | running | – |
| 1928-05 | Altoona | 16 | 1 | 8 | 4 | Miller (Leon Duray) | Miller FD / Miller SC | 103/160 | 0 | oil pressure | – |
| 1928-07 | Rockingham | 16 | 15 | 7 | 4 | Miller (Leon Duray) | Miller FD / Miller SC | 46/50 | 0 | running | 0 |