J.D. McDuffie at Darlington
J.D. McDuffie has made 39 NASCAR Cup Series starts at Darlington since 1968, with 0 wins, 3 top-10s and an average finish of 23.7.
Totals at Darlington by series
| Series | Starts | Wins | Top 5 | Top 10 | Laps led | Avg finish | Avg start | Best finish |
|---|
| Cup Series | 39 | 0 | 1 | 3 | 0 | 23.7 | 30.7 | 5 |
| O'Reilly Series | 2 | 0 | 0 | 0 | 0 | 13.5 | 16.5 | 11 |
Every start at Darlington
| Date | Race | Series | Start | Finish | Laps led | Status |
|---|
| April 7, 1991 | 1991 TranSouth 500 | Winston Cup Series | 40 | 30 | 0 | Running |
| April 1, 1990 | 1990 TranSouth 500 | Winston Cup Series | 37 | 35 | 0 | Head gasket |
| September 3, 1989 | 1989 Heinz Southern 500 | Winston Cup Series | 36 | 36 | 0 | Engine |
| April 2, 1989 | 1989 TranSouth 500 | Winston Cup Series | 40 | 31 | 0 | Running |
| March 29, 1987 | 1987 TranSouth 500 | Winston Cup Series | 38 | 41 | 0 | Engine |
| August 31, 1986 | 1986 Southern 500 | Winston Cup Series | 33 | 34 | 0 | Tie rod |
| April 13, 1986 | 1986 TranSouth 500 | Winston Cup Series | 38 | 17 | 0 | Running |
| April 14, 1985 | 1985 TranSouth 500 | Winston Cup Series | 30 | 39 | 0 | Engine |
| September 2, 1984 | 1984 Southern 500 | Winston Cup Series | 33 | 24 | 0 | Engine |
| September 5, 1983 | 1983 Southern 500 | Winston Cup Series | 40 | 37 | 0 | Engine |
| September 4, 1983 | 1983 Darlington 250 | Budweiser Late Model Sportsman Series | 21 | 11 | 0 | Running |
| April 10, 1983 | 1983 TranSouth 500 | Winston Cup Series | 30 | 17 | 0 | Running |
| September 6, 1982 | 1982 Southern 500 | Winston Cup Series | 36 | 16 | 0 | Running |
| April 4, 1982 | 1982 CRC Chemicals Rebel 500 | Winston Cup Series | 26 | 36 | 0 | Crash |
| April 3, 1982 | 1982 TranSouth 200 | Budweiser Late Model Sportsman Series | 12 | 16 | 0 | Running |
| September 7, 1981 | 1981 Southern 500 | Winston Cup Series | 34 | 21 | 0 | Running |
| April 12, 1981 | 1981 CRC Chemicals Rebel 500 | Winston Cup Series | 32 | 16 | 0 | Running |
| September 1, 1980 | 1980 Southern 500 | Winston Cup Series | 40 | 18 | 0 | Running |
| April 13, 1980 | 1980 CRC Chemicals Rebel 500 | Winston Cup Series | 21 | 22 | 0 | Running |
| September 3, 1979 | 1979 Southern 500 | Winston Cup Series | 38 | 18 | 0 | Running |
| April 8, 1979 | 1979 CRC Chemicals Rebel 500 | Winston Cup Series | 26 | 19 | 0 | Running |
| September 4, 1978 | 1978 Southern 500 | Winston Cup Series | 24 | 20 | 0 | Engine |
| April 9, 1978 | 1978 Rebel 500 | Winston Cup Series | 24 | 11 | 0 | Running |
| September 5, 1977 | 1977 Southern 500 | Winston Cup Series | 19 | 12 | 0 | Running |
| April 3, 1977 | 1977 Rebel 500 | Winston Cup Series | 22 | 19 | 0 | Crash |
| September 6, 1976 | 1976 Southern 500 | Winston Cup Series | 33 | 25 | 0 | Engine |
| April 11, 1976 | 1976 Rebel 500 | Winston Cup Series | 12 | 27 | 0 | Engine |
| September 1, 1975 | 1975 Southern 500 | Winston Cup Series | 19 | 33 | 0 | Engine |
| April 13, 1975 | 1975 Rebel 500 | Winston Cup Series | 18 | 11 | 0 | Running |
| September 2, 1974 | 1974 Southern 500 | Winston Cup Series | 23 | 17 | 0 | Spindle |
| April 7, 1974 | 1974 Rebel 450 | Winston Cup Series | 22 | 30 | 0 | Engine |
| September 3, 1973 | 1973 Southern 500 | Winston Cup Series | 32 | 10 | 0 | Running |
| April 15, 1973 | 1973 Rebel 500 | Winston Cup Series | 26 | 5 | 0 | Running |
| September 4, 1972 | 1972 Southern 500 | Winston Cup Series | 36 | 15 | 0 | Running |
| April 16, 1972 | 1972 Rebel 400 | Winston Cup Series | 34 | 19 | 0 | Running |
| September 6, 1971 | 1971 Southern 500 | Winston Cup Series | 31 | 40 | 0 | Steering |
| May 2, 1971 | 1971 Rebel 400 | Winston Cup Series | 34 | 7 | 0 | Running |
| September 7, 1970 | 1970 Southern 500 | Grand National Series | 30 | 26 | 0 | Ignition |
| September 1, 1969 | 1969 Southern 500 | Grand National Series | 34 | 25 | 0 | Running |
| May 10, 1969 | 1969 Rebel 400 | Grand National Series | 32 | 25 | 0 | Clutch |
| September 2, 1968 | 1968 Southern 500 | Grand National Series | 44 | 42 | 0 | Oil pressure |