| 3 | 0.00 | Berserkeley Pairs | C | 20-Jan to 21-Jan-1990 | $50 |
| 3 | | Aquatic Winter Tune Up | C | 10-Feb to 11-Feb-1990 | $66 |
| 24 | | 12th Annual Bud Light Wintertime Open | A | 17-Feb to 18-Feb-1990 | $50 |
| 5 | | Riverview Open | C | 24-Feb to 25-Feb-1990 | $65 |
| 12 | | March Monthly | C | 03-Mar-1990 | |
| 12 | | Kleinman Klassic | C | 10-Mar to 11-Mar-1990 | $33 |
| 3 | | Spring Fling-It '90 | C | 17-Mar to 18-Mar-1990 | $120 |
| 3 | | Dogwood Crosstown Classic | C | 24-Mar to 25-Mar-1990 | $225 |
| 1 | | B G Open | C | 31-Mar to 01-Apr-1990 | $500 |
| 2 | | Tournament of Champions | A | 07-Apr to 08-Apr-1990 | $300 |
| 10 | | David Bruner Birthday Classic | C | 14-Apr to 15-Apr-1990 | $60 |
| 14 | | Master's Cup | A | 21-Apr to 22-Apr-1990 | |
| 13 | | 7th Aquatic Park Classic | C | 29-Apr to 30-Apr-1990 | |
| 1 | | 13th Annual Western Canadian Flying Disc Championships | C | 26-May to 27-May-1990 | |
| 1 | | Highland Springs 9th Annual Country Open | C | 09-Jun to 10-Jun-1990 | $175 |
| 44 | | U.S. Open Flying Disc Championships | C | 25-Jun to 26-Jun-1990 | |
| 3 | | Circular Skies Over Victoria | C | 07-Jul to 08-Jul-1990 | $150 |
| 14 | | Mid-America Open | A | 14-Jul to 15-Jul-1990 | $110 |
| 2 | | Lakefront Open | C | 21-Jul to 22-Jul-1990 | $135 |
| 3 | | Laurel Springs Open | A | 28-Jul to 29-Jul-1990 | $400 |
| 7 | | 16th Annual Alabama State Tournament | C | 04-Aug to 05-Aug-1990 | $26 |
| 8 | | Circular Skies Over Athens | C | 18-Aug to 19-Aug-1990 | $90 |
| 19 | | La Mirada Open | A | 23-Aug to 26-Aug-1990 | $41 |
| 2 | | 2nd Annual Crane Creek Open | C | 02-Sep to 03-Sep-1990 | $60 |
| 2 | | S & H Open | C | 15-Sep to 16-Sep-1990 | $461 |
| 4 | | Fort Fall 54 | C | 22-Sep-1990 | $63 |
| 5 | | Peru Fall Series | C | 23-Sep-1990 | $70 |
| 5 | | 5th Annual Willy Wood Classic | A | 29-Sep-1990 | $126 |
| 16 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | $211 |
| 10 | | California State Flying Disc Championships | C | 20-Oct to 21-Oct-1990 | |
