| 6 | | 20th Annual Wintertime Open | B | 21-Feb to 22-Feb-1998 | |
| 2 | | 1998 Caldecott Open | B | 28-Feb to 01-Mar-1998 | $80 |
| 4 | 27.00 | St. Patrick's Classic | B | 28-Mar to 29-Mar-1998 | $50 |
| 8 | | Santa Cruz Masters Cup | A | 24-Apr to 26-Apr-1998 | |
| 4 | | Old Zoo Fling | XC | 09-May-1998 | |
| 3 | | 3rd Summertime Open | B | 06-Jun to 07-Jun-1998 | |
| 1 | | KCDC Summer Classic | B | 20-Jun to 21-Jun-1998 | $75 |
| 13 | | 1998 PDGA Professional Disc Golf World Championships | M | 03-Aug to 08-Aug-1998 | |
| 2 | | Auburn Open | B | 15-Aug to 16-Aug-1998 | $85 |
| 3 | | Vintage Cup | B | 29-Aug to 30-Aug-1998 | $38 |
| 2 | | Indian Summer '98/California State Flying Disc Championships | B | 26-Sep-1998 | $40 |
| 3 | | 1998 Faultline Classic | B | 03-Oct to 04-Oct-1998 | $50 |
| 2 | | SoCal Disc Golf Championships | B | 10-Oct to 11-Oct-1998 | |
| 3 | | 20th Gold Pan Open | B | 17-Oct to 18-Oct-1998 | |
