| 1 | 16.00 | Oskaloosa Open 1990 | C | 08-Apr-1990 | |
| 1 | | Kansas City Wide Open | C | 21-Apr to 22-Apr-1990 | $275 |
| 2 | | Fairfield Pro-Am | C | 12-May-1990 | $31 |
| 2 | 12.00 | 4th Annual Bud-Light John Kramer Open | C | 20-May-1990 | $25 |
| 8 | | 4th Annual Minnesota Majestic | A | 26-May to 27-May-1990 | |
| 2 | 32.00 | 1990 My Waterloo Days | C | 09-Jun to 10-Jun-1990 | $110 |
| 1 | | Spring Fever Fling Disc Golf Classic | C | 16-Jun-1990 | $110 |
| 8 | | Coors Sinnissippi Open | C | 24-Jun-1990 | |
| 1 | 12.00 | 1st Annual Turkey Shoot | C | 30-Jun-1990 | $58 |
| 1 | | Central Iowa Doubles Challenge | C | 08-Jul-1990 | $47 |
| 3 | | Mid-America Open | A | 14-Jul to 15-Jul-1990 | $182 |
| 1 | | Edgewood Labor Day Classic | C | 01-Sep to 02-Sep-1990 | $62 |
| 20 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | |
