# Ronnie Bucknum

Ronald James Bucknum (April 5, 1936 – April 23, 1992) was an American race car driver, born in Alhambra, California.
Bucknum participated in 11 Formula One World Championship Grands Prix, debuting on August 2, 1964. He scored a total of two championship points. At the 1964 German Grand Prix, he became the first person to drive a Honda-engined car in Formula One.
After Formula One, Bucknum drove in the USAC Championship Car series, racing in the 1967–1970 seasons with 23 starts, including the Indianapolis 500 in 1968–1970. He finished in the top ten 10 times, with his one victory coming at Michigan International Speedway in 1968.
He was the father of Jeff Bucknum, an Indy Racing League and American Le Mans Series driver. Ronnie Bucknum died in San Luis Obispo, California following complications from diabetes.

## Complete Formula One World Championship results

(key)
| Year | Entrant | Chassis | Engine | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | WDC | Points |
| 1964 | Honda R & D Co. | Honda RA271 | Honda V12 | MON | NED | BEL | FRA | GBR | GER 13 | AUT | ITA Ret | USA Ret | MEX | NC | 0 |
| 1965 | Honda R & D Co. | Honda RA272 | Honda V12 | RSA | MON Ret | BEL Ret | FRA Ret | GBR | NED | GER | ITA Ret | USA 13 | MEX 5 | 14th | 2 |
| 1966 | Honda R & D Co. | Honda RA273 | Honda V12 | MON | BEL | FRA | GBR | NED | GER | ITA | USA Ret | MEX 8 | | NC | 0 |

## Complete 24 Hours of Le Mans results

| Year | Team | Co-drivers | Car | Class | Laps | Pos. | Class pos. |
| 1965 | Scuderia Filipinetti | Herbert Müller | Ford GT40 | P +5.0 | 29 | DNF | DNF |
| 1966 | Ford Motor Company Holman & Moody | Dick Hutcherson | Ford GT40 Mk.II | P +5.0 | 348 | 3rd | 3rd |
| 1967 | Ford Motor Company Shelby American | Paul Hawkins | Ford GT40 Mk.IIB | P +5.0 | 271 | DNF | DNF |
| 1970 | North American Racing Team | Sam Posey | Ferrari 512S | S 5.0 | 313 | 4th | 3rd |
| 1975 | North American Racing Team | Carlo Facetti | Ferrari 365 GTB/4 | GTX | 0 | DNS | DNS |

## Complete USAC Championship Car results

| Year | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | Pos | Points |
| 1966 | PHX | TRE | INDY DNQ | MIL | LAN | ATL | PIP | IRP | LAN | SPR | MIL | DUQ | ISF | TRE | SAC | PHX | | | | | | | | | | | | | - | 0 |
| 1967 | PHX | TRE | INDY DNQ | MIL | LAN | PIP | MOS DNS | MOS 18 | IRP 9 | LAN DNQ | MTR 3 | MTR 12 | SPR | MIL | DUQ | ISF | TRE | SAC | HAN | PHX | RIV 9 | | | | | | | | - | 0 |
| 1968 | HAN | LVG | PHX | TRE | INDY 21 | MIL | MOS 5 | MOS 3 | LAN | PIP | CDR 19 | NAZ | IRP 6 | IRP 4 | LAN | LAN | MTR 3 | MTR 4 | SPR | MIL | DUQ | ISF | TRE | SAC | MCH 1 | HAN 20 | PHX 14 | RIV 13 | 22nd | 760 |
| 1969 | PHX DNP | HAN DNP | INDY 30 | MIL | LAN | PIP | CDR | NAZ | TRE | IRP | IRP | MIL | SPR | DOV | DUQ | ISF | BRN | BRN | TRE | SAC | KEN DNP | KEN | PHX DNQ | RIV 17 | | | | | - | 0 |
| 1970 | PHX | SON 16 | TRE | INDY 15 | MIL DNQ | LAN DNP | CDR | MCH | IRP 20 | SPR | MIL | ONT DNP | DUQ | ISF | SED | TRE 11 | SAC | PHX | | | | | | | | | | | 45th | 60 |
| 1971 | RAF | RAF | PHX | TRE | INDY DNQ | MIL | POC | MCH | MIL | ONT | TRE | PHX | | | | | | | | | | | | | | | | | - | 0 |

### Indianapolis 500 results

| Year | Chassis | Engine | Start | Finish |
| 1966 | Lola | Chevrolet | Failed to Qualify | |
| 1967 | Gerhardt | Ford | Failed to Qualify | |
| 1968 | Eagle | Ford | 19th | 21st |
| 1969 | Eagle | Offy | 16th | 30th |
| 1970 | Cecil | Ford | 27th | 15th |
| 1971 | Vollstedt | Ford | Failed to Qualify | |