| 5 | | 20th Annual Wintertime Open | B | 21-Feb to 22-Feb-1998 | $92 |
| 5 | | 1998 Caldecott Open | B | 28-Feb to 01-Mar-1998 | |
| 3 | 66.00 | St. Patrick's Classic | B | 28-Mar to 29-Mar-1998 | $125 |
| 8 | | Motherlode 98 | B | 18-Apr to 19-Apr-1998 | $60 |
| 13 | | Browns-N-Bows | B | 21-Apr to 22-Apr-1998 | |
| 38 | | Santa Cruz Masters Cup | A | 24-Apr to 26-Apr-1998 | |
| 3 | | Windjammer Open | B | 23-May to 24-May-1998 | $65 |
| 7 | | 3rd Summertime Open | B | 06-Jun to 07-Jun-1998 | $70 |
| 4 | | Tahoe Challenge IV - Pro | B | 13-Jun to 14-Jun-1998 | $150 |
| 12 | | San Francisco Safari | B | 11-Jul to 12-Jul-1998 | |
| 1 | | Auburn Open | B | 15-Aug to 16-Aug-1998 | $230 |
| 3 | | Vintage Cup | B | 29-Aug to 30-Aug-1998 | $63 |
| 2 | | Indian Summer '98/California State Flying Disc Championships | B | 26-Sep-1998 | $90 |
| 15 | | 1998 Faultline Classic | B | 03-Oct to 04-Oct-1998 | |
| 6 | | 20th Gold Pan Open | B | 17-Oct to 18-Oct-1998 | |
| 11 | | 1998 NorCal Series Championships | B | 07-Nov-1998 | |
