| 11 | | B G Open | C | 31-Mar to 01-Apr-1990 | |
| 2 | | Oly Spring Open | C | 22-Apr-1990 | $100 |
| 6 | | Frisbee Fling-a-Thing | C | 28-Apr-1990 | |
| 5 | | 1990 Edgewood Electric Open | A | 02-Jun to 03-Jun-1990 | $84 |
| 4 | | Checkered Flag Disc Golf Tournament | C | 16-Jun to 17-Jun-1990 | |
| 6 | | Indiana State Championships | C | 30-Jun to 01-Jul-1990 | |
| 3 | 36.00 | 3 Rivers Open | C | 07-Jul to 08-Jul-1990 | $40 |
| 9 | | Illinois State Championships - Pro/Adv | C | 22-Jul-1990 | |
| 14 | 28.00 | 1990 Ohio State Championships | C | 04-Aug to 05-Aug-1990 | |
| 2 | | S & H Open | C | 15-Sep to 16-Sep-1990 | $188 |
| 7 | | Fort Fall 54 | C | 22-Sep-1990 | |
| 4 | | Peru Fall Series | C | 23-Sep-1990 | |
| 50 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | |
| 2 | | 10th Annual Fall Disc Golf Tournament | C | 20-Oct-1990 | $46 |
| 12 | | Halloween VII | C | 27-Oct-1990 | |
