| 4 | | 1998 Caldecott Open | B | 28-Feb to 01-Mar-1998 | |
| 9 | 4.50 | St. Patrick's Classic | B | 28-Mar to 29-Mar-1998 | |
| 4 | | Motherlode 98 | B | 18-Apr to 19-Apr-1998 | |
| 10 | | Santa Cruz Masters Cup | A | 24-Apr to 26-Apr-1998 | |
| 3 | | Wil-Low Pro/Am Jam | B | 09-May to 10-May-1998 | $40 |
| 3 | | Windjammer Open | B | 23-May to 24-May-1998 | |
| 5 | | Tahoe Challenge IV - Pro | B | 13-Jun to 14-Jun-1998 | |
| 4 | | San Francisco Safari | B | 11-Jul to 12-Jul-1998 | |
| 22 | | 1998 PDGA Professional Disc Golf World Championships | M | 03-Aug to 08-Aug-1998 | |
| 4 | | Rochester Flying Disc Open | B | 22-Aug to 23-Aug-1998 | |
| 3 | | Indian Summer '98/California State Flying Disc Championships | B | 26-Sep-1998 | $20 |
| 5 | | 1998 Faultline Classic | B | 03-Oct to 04-Oct-1998 | |
| 2 | | 20th Gold Pan Open | B | 17-Oct to 18-Oct-1998 | $30 |
| 2 | | 1998 NorCal Series Championships | B | 07-Nov-1998 | $60 |
