| 2 | | My Waterloo Days Disc Golf Open | C | 10-Jun to 11-Jun-1989 | $21 |
| 1 | | Spring Fever Fling Disc Golf Classic | C | 18-Jun to 19-Jun-1989 | |
| 2 | | 1989 Illinois State | C | 24-Jun to 25-Jun-1989 | |
| 1 | | Fort Dodge Open (Iowa State Championships) | C | 06-Aug-1989 | |
| 14 | | 1989 PDGA Disc Golf World Championships | M | 21-Aug to 26-Aug-1989 | |
| 1 | | 2nd Annual Edgewood Labor Day Classic | C | 02-Sep to 03-Sep-1989 | |
| 1 | | Black Hawk Metro Disc Golf Open | C | 17-Sep-1989 | |
| 1 | | Des Moines Open | C | 24-Sep-1989 | |
| 1 | | Dayton Classic | C | 01-Oct-1989 | |
| 1 | | Ottumwa Fall Classic | C | 07-Oct-1989 | |
| 1 | | Cool Weather Classic | C | 22-Oct-1989 | |
