Kraj:
Stany Zjednoczone
Data urodzenia:1942-01-04 (78 lat 361 dni)
Miejsce urodzenia:Atlanta, Georgia
Ilość zwycięstw:25 (w tym 1 w Mistrzostwach Świata)
| LP | Seria | Sezon | Data | Klasa | Tor/Rajd | Pojazd | Zespół/Zgłaszający |
|---|---|---|---|---|---|---|---|
| 1 | Mistrzostwa Świata Producentów | 1978 | 1978.07.02 | Daytona |
Mazda RX-2 | J. Downing |
|
| 2 | IMSA GT Championship | 1980 | 1980.03.22 | GTU | Sebring |
Mazda RX-7 | Mandeville Racing |
| 3 | IMSA GT Championship | 1982 | 1982.05.23 | GTU | Mid-Ohio |
Mazda RX-7 | Jim Downing |
| 4 | IMSA GT Championship | 1982 | 1982.09.26 | GTU | Pocono |
Mazda RX-7 | Jim Downing |
| 5 | IMSA GT Championship | 1982 | 1982.11.28 | GTU | Daytona |
Mazda RX-7 | Jim Downing |
| 6 | IMSA GT Championship | 1983 | 1983.07.04 | GTU | Daytona |
Mazda RX-7 | RPG 500 Racing |
| 7 | IMSA GT Championship | 1983 | 1983.09.11 | GTU | Pocono |
Mazda RX-7 | RGP 500 Racing |
| 8 | IMSA GT Championship | 1985 | 1985.02.24 | Lights | Miami |
Argo JM16B - Mazda | RGP 500 Racing |
| 9 | IMSA GT Championship | 1985 | 1985.03.23 | Lights | Sebring |
Argo JM16B - Mazda | Jim Downing |
| 10 | IMSA GT Championship | 1985 | 1985.04.28 | Lights | Riverside |
Argo JM16B - Mazda | RGP 500 Racing |
| 11 | IMSA GT Championship | 1985 | 1985.05.19 | Lights | Charlotte |
Argo JM16B - Mazda | RGP 500 Racing |
| 12 | IMSA GT Championship | 1985 | 1985.07.28 | Lights | Portland |
Argo JM16B - Mazda | RGP 500 Racing |
| 13 | IMSA GT Championship | 1985 | 1985.09.29 | Lights | Watkins Glen |
Argo JM16B - Mazda | RGP 500 Racing |
| 14 | IMSA GT Championship | 1985 | 1985.10.06 | Lights | Columbus |
Argo JM16B - Mazda | RGP 500 Racing |
| 15 | IMSA GT Championship | 1985 | 1985.12.01 | Lights | Daytona |
Argo JM16B - Mazda | Jim Downing |
| 16 | IMSA GT Championship | 1986 | 1986.04.05 | Lights | Road Atlanta |
Argo JM16 - Mazda | Certified Brakes |
| 17 | IMSA GT Championship | 1986 | 1986.04.27 | Lights | Riverside |
Argo JM19 - Mazda | Certified Brakes |
| 18 | IMSA GT Championship | 1986 | 1986.07.27 | Lights | Portland |
Argo JM19 - Mazda | Certified Brakes |
| 19 | IMSA GT Championship | 1986 | 1986.08.03 | Lights | Sears Point |
Argo JM19 - Mazda | Certified Brakes |
| 20 | IMSA GT Championship | 1987 | 1987.07.26 | Lights | Portland |
Argo JM19B - Mazda | Certified Brakes |
| 21 | IMSA GT Championship | 1989 | 1989.07.02 | Lights | Watkins Glen |
Argo JM19C - Mazda | Mazda |
| 22 | IMSA GT Championship | 1989 | 1989.07.30 | Lights | Portland |
Argo JM19C - Mazda | Downing Atlanta |
| 23 | IMSA GT Championship | 1992 | 1992.03.21 | Lights | Sebring |
Kudzu DG-1 - Mazda | Downing Atlanta |
| 24 | IMSA GT Championship | 1993 | 1993.01.31 | Lights | Daytona |
Kudzu DG-1 - Mazda | Erie Scientific Company |
| 25 | Rolex Sportscar Series | 2001 | 2001.02.03 | SRP | Daytona |
Kudzu DLY - Mazda |  Downing Atlanta |
| Zwycięstwa wg roku | |||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
1
1978
|
1979
|
1
1980
|
1981
|
3
1982
|
2
1983
|
1984
|
8
1985
|
4
1986
|
1
1987
|
1988
|
2
1989
|
1990
|
1991
|
1
1992
|
1
1993
|
1994
|
1995
|
1996
|
1997
|
1998
|
1999
|
2000
|
1
2001
|
| LP | Tor | Ilość zwycięstw |
|---|---|---|
| 1 | Daytona |
6 |
| 2 | Portland |
4 |
| 3 | Sebring |
3 |
| 4 | Pocono |
2 |
| 5 | Riverside |
2 |
| 6 | Watkins Glen |
2 |
| 7 | Mid-Ohio |
1 |
| 8 | Miami |
1 |
| 9 | Charlotte |
1 |
| 10 | Columbus |
1 |
| 11 | Road Atlanta |
1 |
| 12 | Sears Point |
1 |
| LP | Producent | Ilość zwycięstw |
|---|---|---|
| 1 | Argo |
15 |
| 2 |  Mazda |
7 |
| 3 | Kudzu |
3 |
| LP | Partner | Ilość zwycięstw |
|---|---|---|
| 1 | John Maffucci |
6 |
| 2 | John Maffuci |
6 |
| 3 | Howard Katz |
4 |
| 4 | Tim McAdam |
2 |
| 5 | John Paul |
1 |
| 6 | Brad Frisselle |
1 |
| 7 | Roger Mandeville |
1 |
| 8 | Frank Jellinek |
1 |
| 9 | John Grooms |
1 |
| 10 | A. J. Smith |
1 |
| 11 | Chris Ronson |
1 |