Kingdome
- Rounds
- 33
- Seasons
- 22
- First
- 1978
- Latest
- 1999
Every Round
| Season | Date | Race | 450 Winner | 250 Winner |
|---|---|---|---|---|
| 1999 | Jan 30 | Seattle SX R4 | — | — |
| 1998 | Jan 31 | Seattle SX R4 | — | — |
| 1997 | Feb 1 | Seattle SX R4 | — | — |
| 1996 | Feb 3 | Seattle SX R4 | — | — |
| 1995 | Feb 4 | Seattle SX R4 | — | — |
| 1994 | May 7 | Seattle SX R13 | — | — |
| 1993 | Jan 30 | Seattle SX R4 | — | — |
| 1992 | Feb 1 | Seattle SX R4 | — | — |
| 1991 | Feb 2 | Seattle SX R4 | — | — |
| 1990 | Feb 17 | Seattle SX R4 | — | — |
| 1989 | Feb 5 | Seattle 2 SX R3 | — | — |
| Feb 4 | Seattle 1 SX R2 | — | — | |
| 1988 | Feb 14 | Seattle 2 SX R3 | — | — |
| Feb 13 | Seattle 1 SX R2 | — | — | |
| 1987 | Mar 29 | Seattle 2 SX R7 | — | — |
| Mar 28 | Seattle 1 SX R6 | — | — | |
| 1986 | Feb 16 | Seattle 2 SX R5 | — | — |
| Feb 15 | Seattle 1 SX R4 | — | — | |
| 1985 | Feb 9 | Seattle 2 SX R4 | — | — |
| Feb 8 | Seattle 1 SX R3 | — | — | |
| 1984 | Feb 12 | Seattle 2 SX R3 | — | — |
| Feb 11 | Seattle 1 SX R2 | — | — | |
| 1983 | Feb 13 | Seattle 2 SX R3 | — | — |
| Feb 12 | Seattle 1 SX R2 | — | — | |
| 1982 | Feb 14 | Seattle 2 SX R3 | — | — |
| Feb 13 | Seattle 1 SX R2 | — | — | |
| 1981 | Feb 15 | Seattle 2 SX R3 | — | — |
| Feb 14 | Seattle 1 SX R2 | — | — | |
| 1980 | Feb 10 | Seattle 2 SX R2 | — | — |
| Feb 9 | Seattle 1 SX R1 | — | — | |
| 1979 | Feb 10 | Seattle 2 SX R3 | — | — |
| Feb 9 | Seattle 1 SX R2 | — | — | |
| 1978 | Feb 18 | Seattle SX R1 | — | — |