Ronnie Thomas at Michigan

Ronnie Thomas has made 14 NASCAR Cup Series starts at Michigan since 1978, with 0 wins, 0 top-10s and an average finish of 24.6.

Totals at Michigan by series

Series	Starts	Wins	Top 5	Top 10	Laps led	Avg finish	Avg start	Best finish
Cup Series	14	0	0	0	1	24.6	29.1	17

Date	Race	Series	Start	Finish	Laps led	Status
June 25, 1989	1989 Miller High Life 400	Winston Cup Series	24	23	0	Running
August 11, 1985	1985 Champion Spark Plug 400	Winston Cup Series	32	19	0	Running
August 12, 1984	1984 Champion Spark Plug 400	Winston Cup Series	29	23	0	Running
June 17, 1984	1984 Miller High Life 400	Winston Cup Series	32	25	0	Running
June 19, 1983	1983 Gabriel 400	Winston Cup Series	32	24	0	Running
August 22, 1982	1982 Champion Spark Plug 400	Winston Cup Series	38	17	0	Running
June 20, 1982	1982 Gabriel 400	Winston Cup Series	34	35	0	Engine
June 21, 1981	1981 Gabriel 400	Winston Cup Series	35	25	0	Running
August 17, 1980	1980 Champion Spark Plug 400	Winston Cup Series	24	29	0	Running
June 15, 1980	1980 Gabriel 400	Winston Cup Series	29	30	0	Running
August 19, 1979	1979 Champion Spark Plug 400	Winston Cup Series	32	24	0	Overheating
June 17, 1979	1979 Gabriel 400	Winston Cup Series	17	27	1	Engine
August 20, 1978	1978 Champion Spark Plug 400	Winston Cup Series	25	26	0	Engine
June 18, 1978	1978 Gabriel 400	Winston Cup Series	24	18	0	Running