1998 USA Nationals - NABBA
| Overall Winner Billy Leahy | |
Tall | |
| 1 | Sam Eakman |
| 2 | Rick Dufoe |
| 3 | Sean Allan |
Medium-Tall | |
| 1 | Shannon Monroe |
| 2 | Robert Wright |
| 3 | Ryan Campbell |
Medium | |
| 1 | Billy Leahy |
| 2 | Todd Hruby |
| 3 | Danny Cox |
| 4 | Richard Gouveia |
| 5 | Tracy Fletcher |
Short | |
| 1 | Joey Arendt |
| 2 | Mark Rogers |
| 3 | Robert Buonincontro |
Junior | |
| 1 | Steve Berardi |
| 2 | Vladimir Tatarinov |
| 3 | Freddy Feliz |
| 4 | Chris Fardella |
| 5 | Yoslay Gonzalez |
Masters | |
| 1 | Gary Kamil |
| 2 | Phil Bradshaw |
| 3 | Eugene Hawkins |
| 4 | Don Peden |
| 5 | Tom Owen |
Grand Masters | |
| 1 | Lloyd Clark |
| 2 | Garrett McGowan |
| 3 | Anthony Jones (1) |
| 4 | John R Jackson |
| 5 | Harry Scott |