Jeffco Speedway circuit in NASCAR. Full information
All years in which the races was held at the Jeffco Speedway circuit
Jeffco Speedway track configuration from 1968 to 1969
| Year | Winner | Grand Prix | Race Start |
|---|---|---|---|
| 1968 |
 Wood Brothers Racing Cyclone Cale Yarborough |
Jefferson NASCAR | 3rd November 1968 |
| 1969 |
 Nord Krauskopf Charger Bobby Isaac |
Jefferson NASCAR | 2nd November 1969 |
List of all riders who have won the Jeffco Speedway circuit
| Name | Wins | Poles | Points |
|---|---|---|---|
| Cale Yarborough | 1 | 0 | 0 |
| Bobby Isaac | 1 | 0 | 0 |
List of winning teams on the Jeffco Speedway Circuit
| Name | Wins | Poles | Points |
|---|---|---|---|
| Wood Brothers Racing | 1 | 0 | 0 |
| Nord Krauskopf | 1 | 0 | 0 |
List of all cars on the Jeffco Speedway circuit
Dodge
Mercury
Buick
Pontiac
Chevrolet
Chevrolet
Dodge
Ford
Pontiac
Dodge
Ford
Plymouth
Chevrolet
Ford
Mercury
Dodge
Ford
Plymouth