| 13 | 217.50 | St. Patrick's Classic | B | 28-Mar to 29-Mar-1998 | $37 |
| 15 | | Motherlode 98 | B | 18-Apr to 19-Apr-1998 | |
| 18 | | Santa Cruz Masters Cup | A | 24-Apr to 26-Apr-1998 | |
| 6 | | Tahoe Challenge IV - Pro | B | 13-Jun to 14-Jun-1998 | $60 |
| 7 | | Highland Springs Open | C | 27-Jun to 28-Jun-1998 | |
| 8 | | San Francisco Safari | B | 11-Jul to 12-Jul-1998 | $35 |
| 12 | | 1998 Rocky Mountain Disc Golf Championships | A | 25-Jul to 26-Jul-1998 | |
| 57 | | 1998 PDGA Professional Disc Golf World Championships | M | 03-Aug to 08-Aug-1998 | $77 |
| 8 | | Auburn Open | B | 15-Aug to 16-Aug-1998 | $50 |
| 3 | | Indian Summer '98/California State Flying Disc Championships | B | 26-Sep-1998 | $80 |
| 21 | | 1998 Faultline Classic | B | 03-Oct to 04-Oct-1998 | |
| 10 | | 20th Gold Pan Open | B | 17-Oct to 18-Oct-1998 | |
| 9 | | 1998 NorCal Series Championships | B | 07-Nov-1998 | $45 |
