Count: 7
| Race Date | Feature Start | Class | Series | Track | Race | Story |
| Saturday, June 13, 1987 | 8 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
| Saturday, July 18, 1987 | 4 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
| Saturday, August 1, 1987 | 10 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
| Saturday, July 23, 1988 | 1 | Wing 360 | | Knoxville,IA | | Two Terrys Take Knoxville Sprint Tilts |
| Saturday, May 15, 1999 | 3 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
| Saturday, August 28, 1999 | 2 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
| Saturday, July 22, 2000 | 1 | Wing 360 | | Knoxville,IA | | Terry Thorson wins Knoxville |
