John Decker
Listed Hometown: Englewood, Colorado
Born:
Died:
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1989 | SCCA - A | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 3 | 40 |
| Total | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 3 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| SCCA | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Road Course | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 14 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| -- | 5/27/1989 | Lime Rock | RC | SCCA | 15 | John Hayes/Cardinal Pulsar Quart | Swift DB-4 | X | 18 | -- | -- | DNS, wrecked | |
| 1 | 6/4/1989 | Mid-Ohio 1 | RC | SCCA | 15 | John Hayes/Cardinal Pulsar Quart | Swift DB-4 | X | 10 | 14 | 11 | Ground wire | 2 |
| 2 | 6/17/1989 | Montreal | RC | SCCA | 15 | John Hayes/Cardinal Pulsar Quart | Swift DB-4 | X | 11 | 15 | 10 | Suspension | 1 |
| -- | 6/25/1989 | Mosport | RC | SCCA | 15 | John Hayes/Cardinal Pulsar Quart | Swift DB-4 | X | 5 | -- | -- | DNS, electrical |