Count: 9
| Date | Series | Track | Race | Car Count | Winner | Start | Story |
| Sunday, April 29, 1990 | WoO | Knoxville,IA | | 45 | Doug Wolfgang | 5 | Wolfgang Wins WoO Knoxville Spring Finale |
| Saturday, May 5, 1990 | | Knoxville,IA | | 35 | Danny Lasoski | 10 | Defending Champ Lasoski Wins at Knoxville |
| Saturday, June 2, 1990 | | Knoxville,IA | | 37 | Danny Lasoski | 6 | Lasoski Wins Again at Knoxville Oval |
| Saturday, June 9, 1990 | | Knoxville,IA | | 35 | Danny Lasoski | 8 | Lasoski Tops Knoxville Sprint Field |
| Saturday, June 30, 1990 | | Knoxville,IA | | 33 | Danny Lasoski | 8 | Lasoski Takes Win Number 5 at Knoxville |
| Saturday, July 7, 1990 | | Knoxville,IA | Twin Feature 1 | 30 | Danny Lasoski | 1 | Lasoski Doubles in Knoxville Twin Features |
| Wednesday, July 25, 1990 | WoO | Knoxville,IA | | 54 | Sammy Swindell | 1 | Sammy Swindell Posts WoO Knoxville Fair Win |
| Wednesday, August 15, 1990 | | Knoxville,IA | Knoxville Nationals Prelim | 73 | Steve Kinser | 8 | Steve Kinser Opens Nationals with a Perfect Night |
| Thursday, August 16, 1990 | | Knoxville,IA | Knoxville Nationals Prelim | 63 | Mark Kinser | 8 | Mark Kinser is Perfect on Thursday Night |
