| 22 | | Bowling Green Open | A | 04-Apr to 05-Apr-1998 | $80 |
| 14 | | Augusta Classic | B | 25-Apr to 26-Apr-1998 | $40 |
| 4 | | Triple Play | XC | 02-May-1998 | |
| 7 | | Two Bit Banklick Open | C | 03-May-1998 | $14 |
| 19 | | Fling-A-Thing Pro/Am Doubles | XB | 09-May-1998 | |
| 3 | | Quonset Hut Greater Medina Open | B | 30-May to 31-May-1998 | $135 |
| 11 | | Ohio State Championships | B | 06-Jun to 07-Jun-1998 | |
| 10 | | Kansas City Wide Open | A | 13-Jun to 14-Jun-1998 | $223 |
| 4 | | Pittsburgh Flying Disc Open | B | 20-Jun to 21-Jun-1998 | $155 |
| 21 | | In Flight Open | A | 27-Jun to 28-Jun-1998 | |
| 15 | | Checkered Flag Open | B | 11-Jul-1998 | |
| 7 | | Three Rivers Open | B | 12-Jul-1998 | |
| 34 | | Quonset Hut Hall of Chains Classic | A | 18-Jul to 19-Jul-1998 | |
| 14 | | 1998 Brent Hambrick Memorial | B | 25-Jul to 26-Jul-1998 | $100 |
| 29 | | Discraft Great Lakes Open | A | 01-Aug to 02-Aug-1998 | |
| 32 | | 1998 PDGA Professional Disc Golf World Championships | M | 03-Aug to 08-Aug-1998 | $114 |
| 12 | | Fall Tournament 18th Annual | B | 17-Oct-1998 | |
| 8 | | 79 Flashback | C | 18-Oct-1998 | |
