2003 Naturalmania Nationals - INBF
| Overall Winner Ekow Wilmot | |
HeavyWeight | |
| 1 | Hugh Cotterell |
| 2 | Terry Roundtree |
| 3 | Doug Hansen |
| 4 | Marc Arthur Dautruche |
| 5 | Ken Stewart |
Light-HeavyWeight | |
| 1 | Chris Kimball |
| 2 | Jorge Gonzalez |
| 3 | Brian Zatkoff |
| 4 | Dan Florestan |
| 5 | Gilroy Jouavel |
MiddleWeight | |
| 1 | Ekow Wilmot |
| 2 | Richard Krol |
| 3 | Dionisios Mitsanis |
| 4 | Aaron Fry |
| 5 | Joe Riga |
LightWeight | |
| 1 | John Talley |
| 2 | David Schneider |
BantamWeight | |
| 1 | Bill Murphy |
| 2 | Raphael Calzadilla |
| 3 | Red Walker |
| 4 | Jeng Chang-Guo |
| 5 | Jude Clark |
Masters 40+ | |
| 1 | Hugh Cotterell |
| 2 | Red Walker |
| 3 | Raphael Calzadilla |
| 4 | Mike Binder |
| 5 | Luis Casalduc |
Masters 50+ | |
| 1 | John Talley |
| 2 | Ronald Thornton |
| 3 | Michael Interrante |
Masters 60+ | |
| 1 | Robert Regensburger |
| 2 | Bob Gilman |
Masters 70+ | |
| 1 | Kenny Hall |
| 2 | Bertie Nicklette |
| 3 | Len Bosland |
| 4 | Al Desantis |