| 21 | | Bowling Green Open | A | 04-Apr to 05-Apr-1998 |
| 9 | | Rumbletown Classic | C | 02-May to 03-May-1998 |
| 1 | | Disc Golf Journal Greater Peoria Open | A | 30-May to 31-May-1998 |
| 2 | | Mike Mueller 'Pickle' Memorial Day 1 | XC | 06-Jun-1998 |
| 2 | | Mike Mueller 'Pickle' Memorial Day 2 | XC | 07-Jun-1998 |
| 3 | | Kansas City Wide Open | A | 13-Jun to 14-Jun-1998 |
| 6 | | Minnesota Majestic | A | 20-Jun to 21-Jun-1998 |
| 11 | | In Flight Open | A | 27-Jun to 28-Jun-1998 |
| 13 | | Sinnissippi Open | B | 04-Jul to 05-Jul-1998 |
| 8 | | 18th Illinois State Championships | B | 18-Jul to 19-Jul-1998 |
| 41 | | 1998 PDGA Amateur Disc Golf World Championships | M | 21-Jul to 25-Jul-1998 |
| 15 | | Wisconsin River Open | B | 15-Aug to 16-Aug-1998 |
| 2 | | 5th Annual Northwoods Open | B | 05-Sep to 06-Sep-1998 |
| 9 | | Mad City Open | B | 12-Sep to 13-Sep-1998 |
