| 5 | | Snow Disc Tourney | C | 29-Jan-1989 | $7 |
| 12 | 0.00 | Black Hawk Metro Pro-Am Doubles | C | 16-Apr-1989 | |
| 34 | | 10th Annual Kansas City Wide Open | C | 22-Apr to 23-Apr-1989 | |
| 39 | | New Lenox Open | C | 30-Apr-1989 | |
| 20 | | Missouri Disc Golf Championships | C | 06-May to 07-May-1989 | |
| 5 | | Fairfield Pro-Am | C | 14-May-1989 | $10 |
| 16 | | Peoria Open | C | 20-May-1989 | |
| 24 | | 3rd Annual Bud Light John Kramer Open | C | 21-May-1989 | |
| 22 | | Minnesota Majestic | C | 27-May to 28-May-1989 | |
| 21 | | My Waterloo Days Disc Golf Open | C | 10-Jun to 11-Jun-1989 | |
| 5 | | Spring Fever Fling Disc Golf Classic | C | 18-Jun to 19-Jun-1989 | |
| 18 | | 1989 Illinois State | C | 24-Jun to 25-Jun-1989 | |
| 6 | | 9th Rochester Open | C | 01-Jul-1989 | $15 |
| 27 | | Mid-America Disc Golf Open | A | 08-Jul to 09-Jul-1989 | |
| 27 | | 3 Rivers Open | C | 15-Jul to 16-Jul-1989 | |
| 26 | | Joliet Open | C | 23-Jul-1989 | |
| 2 | | Fort Dodge Open (Iowa State Championships) | C | 06-Aug-1989 | $112 |
| 44 | | Coors Sinnissippi Open | C | 19-Aug to 20-Aug-1989 | |
| 140 | | 1989 PDGA Disc Golf World Championships | M | 21-Aug to 26-Aug-1989 | |
| 10 | | 2nd Annual Edgewood Labor Day Classic | C | 02-Sep to 03-Sep-1989 | |
| 7 | | Black Hawk Metro Disc Golf Open | C | 17-Sep-1989 | |
| 9 | | Des Moines Open | C | 24-Sep-1989 | |
| 6 | | Dayton Classic | C | 01-Oct-1989 | |
| 8 | | Ottumwa Fall Classic | C | 07-Oct-1989 | |
| 3 | | Cool Weather Classic | C | 22-Oct-1989 | $37 |