Christensen was a racing car constructor. Christensen cars competed in two rounds of the FIA World Championship - the 1959 and 1960 Indianapolis 500 races. They raced at Indy until 1963, the year in which they had their best result, 13th position with Bob Christie at the wheel.
| Season | Driver | Grid | Classification | Points | Note | Race Report |
|---|---|---|---|---|---|---|
| 1959 | Jack Turner | 14 | Ret | Fuel Leak | Report | |
| 1960 | Jim Hurtubise | 23 | Ret | Engine | Report |