| 22 | | Tumbleweed Open | C | 27-Jan to 28-Jan-1990 | |
| 47 | | 12th Annual Bud Light Wintertime Open | A | 17-Feb to 18-Feb-1990 | |
| 41 | | Riverview Open | C | 24-Feb to 25-Feb-1990 | |
| 30 | | March Monthly | C | 03-Mar-1990 | |
| 30 | | Kleinman Klassic | C | 10-Mar to 11-Mar-1990 | |
| 16 | | Fantasy Fling | C | 24-Mar to 25-Mar-1990 | $9 |
| 38 | | Master's Cup | A | 21-Apr to 22-Apr-1990 | |
| 18 | | Bob West Disc Daze | C | 12-May to 13-May-1990 | |
| 101 | | U.S. Open Flying Disc Championships | C | 25-Jun to 26-Jun-1990 | |
| 69 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | |
| 2 | | California State Flying Disc Championships | C | 20-Oct to 21-Oct-1990 | |
