| 12 | | 20th Annual Wintertime Open | B | 21-Feb to 22-Feb-1998 | |
| 10 | | 1998 Caldecott Open | B | 28-Feb to 01-Mar-1998 | |
| 75 | | 1998 PDGA Professional Disc Golf World Championships | M | 03-Aug to 08-Aug-1998 | |
| 2 | | Full Sail Open | B | 15-Aug to 16-Aug-1998 | $112 |
| 4 | | Vintage Cup | B | 29-Aug to 30-Aug-1998 | $50 |
| 4 | | Eugene Celebration | B | 19-Sep to 20-Sep-1998 | |
| 9 | | 1998 Faultline Classic | B | 03-Oct to 04-Oct-1998 | $52 |
| 14 | | SoCal Disc Golf Championships | B | 10-Oct to 11-Oct-1998 | |
| 8 | | 20th Gold Pan Open | B | 17-Oct to 18-Oct-1998 | |
| 8 | | 1998 NorCal Series Championships | B | 07-Nov-1998 | |
| 7 | | Hahamongna Flying Disc Classic | B | 14-Nov to 15-Nov-1998 | |
