| Date | Place |
Division |
Start |
Finish | Owner |
# |
Car | Laps | Money | Status | Laps Led |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 2 1980 | Daytona International Speedway | IMSA Champion Spark Plug Challenge | 10 | Mazda RX-2 | 26 | running | |||||
| Jul 4 1980 | Daytona International Speedway | IMSA GT | 40 | 31 | Jack Dunham | 66 | Mazda RX-7 | 25 | running | ||
| Aug 31 1980 | Road America | IMSA GT | 47 | 21 | Jack Dunham | 66 | Mazda RX-7 | 100 | running | ||
| Sep 21 1980 | Road Atlanta | IMSA GTU | 15 | 8 | Jack Dunham | 66 | Mazda RX-7 | 29 | running | ||
| Nov 30 1980 | Daytona International Speedway | IMSA GT | 59 | 55 | Jack Dunham | 66 | Mazda RX-7 | 13 | did not finish | ||
| Feb 1 1981 | Daytona International Speedway | IMSA GT/World Sports Car Championship | 43 | 66 | Richard J. Dunham | 66 | Mazda RX-7 | 20 | did not finish | ||
| Mar 21 1981 | Sebring International Raceway | IMSA GT/World Sports Car Championship | 49 | 39 | Dunham Trucking | 66 | Mazda RX-7 | 136 | running | ||
| Apr 12 1981 | Road Atlanta | IMSA GTU | 13 | 8 | Jack Dunham | 66 | Mazda RX-7 | 29 | running | ||
| Apr 26 1981 | Riverside International Raceway | IMSA GT/World Sports Car Championship | 42 | 50 | Jack Dunham | 66 | Mazda RX-7 | 28 | did not finish | ||
| May 3 1981 | Laguna Seca Raceway | IMSA GTU | 9 | 4 | Jack Dunham | 66 | Mazda RX-7 | 38 | running | ||
| May 31 1981 | Mid-Ohio Sports Car Course | IMSA GT | 33 | 42 | Jack Dunham | 66 | Mazda RX-7 | 9 | did not finish | ||
| Jul 2 1981 | Daytona International Speedway | IMSA/WSCC Champion Spark Plug Challenge | 28 | 3 | Mike Meyer | 27 | Mazda RX-3 | 147 | running | ||
| Jul 4 1981 | Daytona International Speedway | IMSA GT | 22 | 34 | Jack Dunham | 66 | Mazda RX-7 | 7 | did not finish | ||
| Sep 13 1981 | Road Atlanta | IMSA GTU | 11 | 24 | Jack Dunham | 66 | Mazda RX-7 | 14 | did not finish | ||
| Nov 29 1981 | Daytona International Speedway | IMSA GT | 50 | 68 | Jack Dunham | 66 | Mazda RX-7 | 2 | did not finish | ||
| Jan 31 1982 | Daytona International Speedway | IMSA GT | 41 | 18 | Dunham Trucking | 66 | Mazda RX-7 | 662 | did not finish | ||
| Mar 20 1982 | Sebring International Raceway | IMSA GT | 33 | 35 | Dunham Trucking | 66 | Mazda RX-7 | 124 | accident | ||
| Apr 25 1982 | Riverside International Raceway | IMSA GT | 27 | 8 | Mike Meyer Racing | 66 | Mazda RX-7 | 174 | running | ||
| May 2 1982 | Laguna Seca Raceway | IMSA GTU | 10 | 3 | Mike Meyer Racing | 66 | Mazda RX-7 | 39 | running | ||
| May 23 1982 | Mid-Ohio Sports Car Course | IMSA GTU | 9 | 3 | Mike Meyer Racing | 66 | Mazda RX-7 | 31 | running | ||
| May 23 1982 | Mid-Ohio Sports Car Course | IMSA GT | 18 | 10 | Mike Meyer Racing | 66 | Mazda RX-7 | 38 | running | ||
| Jun 20 1982 | Summit Point Raceway | IMSA GTU | 8 | 5 | Mike Meyer Racing | 66 | Mazda RX-7 | 50 | running | ||
| Jul 4 1982 | Daytona International Speedway | IMSA GT | 21 | 16 | Mike Meyer Racing | 66 | Mazda RX-7 | 55 | running | ||
| Aug 15 1982 | Mosport International Raceway | IMSA GT | 24 | 21 | Mike Meyer Racing | 66 | Mazda RX-7 | 168 | accident | ||
| Sep 5 1982 | Mid-Ohio Sports Car Course | IMSA GT | 25 | 19 | Dunham Racing | 66 | Mazda RX-7 | 198 | running | ||
| Sep 12 1982 | Road Atlanta | IMSA GT | 27 | 10 | Mike Meyer Racing | 66 | Mazda RX-7 | 115 | running | ||
| Sep 26 1982 | Pocono International Raceway | IMSA GT | 31 | 10 | Mike Meyer Racing | 66 | Mazda RX-7 | 159 | running | ||
| Nov 28 1982 | Daytona International Speedway | IMSA GT | 43 | 14 | Mike Meyer Racing | 66 | Mazda RX-7 | 78 | running | ||
| Feb 6 1983 | Daytona International Speedway | IMSA GT | 43 | 42 | Mike Meyer Racing | 66 | Mazda RX-7 | 242 | engine | ||
| Feb 26 1983 | Bicentennial Park | IMSA GTU | 2 | 3 | Jack Dunham Racing | 66 | Mazda RX-7 | 34 | running | ||
| Mar 19 1983 | Sebring International Raceway | IMSA GT | 32 | 6 | Mike Meyer Racing | 66 | Mazda RX-7 | 224 | running | ||
| Apr 10 1983 | Road Atlanta | IMSA GT | 46 | 15 | Mike Meyer Racing | 66 | Mazda RX-7 | 113 | running | ||
| Apr 24 1983 | Riverside International Raceway | IMSA GT | 38 | 46 | Mike Meyer Racing | 66 | Mazda RX-7 | 45 | did not finish | ||
| May 1 1983 | Laguna Seca Raceway | IMSA GTU | 5 | 8 | Mike Meyer Racing | 66 | Mazda RX-7 | 36 | running | ||
| Feb 5 1984 | Daytona International Speedway | IMSA GT | 46 | 18 | Mike Meyer Racing | 66 | Mazda RX-7 | 553 | running | ||
| Feb 25 1984 | Bicentennial Park | IMSA GTU | 5 | 4 | Mike Meyer Racing | 66 | Mazda RX-7 | 26 | running | ||
| Mar 24 1984 | Sebring International Raceway | IMSA GT | 30 | 68 | Mike Meyer Racing | 66 | Mazda RX-7 | 25 | engine | ||
| Apr 8 1984 | Road Atlanta | IMSA GT | 31 | 16 | Mike Meyer Racing | 66 | Mazda RX-7 | 108 | running | ||
| Apr 29 1984 | Riverside International Raceway | IMSA GT | 34 | 13 | Mike Meyer Racing | 66 | Mazda RX-7 | 180 | running | ||
| May 6 1984 | Laguna Seca Raceway | IMSA GTO/GTU | 16 | 16 | Mike Meyer Racing | 66 | Mazda RX-7 | 37 | running | ||
| May 20 1984 | Charlotte Motor Speedway | IMSA GT | 34 | 28 | Mike Meyer Racing | 66 | Mazda RX-7 | 96 | running | ||
| May 28 1984 | Lime Rock Park | IMSA GTU | 8 | 4 | Mike Meyer Racing | 66 | Mazda RX-7 | 39 | running | ||
| Jun 10 1984 | Mid-Ohio Sports Car Course | IMSA GT | 31 | 11 | Mike Meyer Racing | 66 | Mazda RX-7 | 115 | running | ||
| Jul 8 1984 | Watkins Glen International | IMSA GT | 29 | 12 | Mike Meyer Racing | 66 | Mazda RX-7 | 170 | running | ||
| Jul 28 1984 | Portland International Raceway | IMSA GTU | 8 | 7 | Mike Meyer Racing | 66 | Mazda RX-7 | 25 | running | ||
| Aug 5 1984 | Sears Point International Raceway | IMSA GTO/GTU | 14 | 13 | Mike Meyer Racing | 66 | Mazda RX-7 | 29 | running | ||
| Aug 26 1984 | Road America | IMSA GT | 39 | 14 | Mike Meyer Racing | 66 | Mazda RX-7 | 107 | 3,450 | running | |
| Sep 9 1984 | Pocono International Raceway | IMSA GT | 27 | 14 | Mike Meyer Racing | 66 | Mazda RX-7 | 96 | running | ||
| Sep 15 1984 | Michigan International Speedway | IMSA GTU | 5 | 4 | Mike Meyer Racing | 66 | Mazda RX-7 | 33 | running | ||
| Sep 30 1984 | Watkins Glen International | IMSA GT | 31 | 42 | Mike Meyer Racing | 66 | Mazda RX-7 | 43 | did not finish | ||
| Feb 3 1985 | Daytona International Speedway | IMSA GT | 54 | 12 | Team Highball | 71 | Mazda RX-7 | 599 | running | ||
| Feb 24 1985 | Bicentennial Park | IMSA GTU | 8 | 3 | 66 | Mazda RX-7 | 30 | running | |||
| Mar 23 1985 | Sebring International Raceway | IMSA GT | 36 | 59 | Team Highball | 71 | Mazda RX-7 | 48 | gearbox | ||
| Apr 14 1985 | Road Atlanta | IMSA GT | 35 | 21 | Team Highball | 71 | Mazda RX-7 | 102 | running | ||
| Apr 28 1985 | Riverside International Raceway | IMSA GT | 44 | 30 | Team Highball | 71 | Mazda RX-7 | 91 | running | ||
| Aug 25 1985 | Road America | IMSA GT | 39 | 28 | Team Highball | 71 | Mazda RX-7 | 79 | 400 | running | |
| Dec 1 1985 | Daytona International Speedway | IMSA GT | 51 | 26 | Team Highball | 71 | Mazda RX-7 | 78 | running | ||
| Feb 2 1986 | Daytona International Speedway | IMSA GT | 51 | 8 | Team Highball | 71 | Mazda RX-7 | 597 | running | ||
| Mar 22 1986 | Sebring International Raceway | IMSA GT | 55 | 41 | Team Highball | 71 | Mazda RX-7 | 150 | did not finish |