Ralph MulfordAAA 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 |
|---|---|---|---|---|---|
| 1912-05 | Tacoma | WD | 12 | Mercer Motors | Mercer |
| 1915-09 | Indianapolis | – | 35 | Ralph Mulford | Mulford / Duesenberg |
| 1915-20 | Elgin | WD | 12 | Duesenberg (Duesenberg Bros.) | Duesenberg / Duesenberg |
| 1915-22 | Minneapolis | WD | – | Peugeot | Peugeot / Peugeot |
| 1916-03 | Maywood | WD | 7 | Peugeot (Ralph Mulford) | Peugeot / Peugeot |
| 1916-05 | Minneapolis | – | – | Peugeot (Ralph Mulford) | Peugeot / Peugeot |
| 1916-11 | Maywood | WD | 21 | Duesenberg | Duesenberg / Duesenberg |
| 1926-05 | Indianapolis | – | 38 | Duesenberg | Duesenberg / Duesenberg SC |