2005 Musclemania Atlantic
| Overall Winner Sean Larson | |
HeavyWeight | |
| 1 | Ron Rich |
| 2 | Paul Ethier |
| 3 | Rocky Foster |
| 4 | Patrick Mingoes |
Light-HeavyWeight | |
| 1 | Jude Achu |
| 2 | Charles Moss |
| 3 | Jamel Keels |
| 4 | Matthew Johnson (1) |
| 5 | Anthony Ianiero |
MiddleWeight | |
| 1 | Sean Larson |
| 2 | Kenneth Kemp |
| 3 | Dominic Dinitto |
| 4 | Michael Recine |
| 5 | Keith Chittenden |
WelterWeight | |
| 1 | Domingo Tanco |
| 2 | Brett Oteri |
| 3 | George Patton |
| 4 | Dino Resendes |
| 5 | Darrin Phinney |
LightWeight | |
| 1 | Edward Mazzuchelli |
| 2 | Darrel Privott |
| 3 | Eric Mills |
| 4 | Jason Maker |
| 5 | Raphael Garcia |
| 6 | Carlos Cortes |
| 7 | Pat Swayne |
| 8 | Scott Herd |
BantamWeight | |
| 1 | Luis Santiago |
| 2 | Dutch Bulseco |
| 3 | Greg Trombly |
| 4 | Adam Strachman |
| 5 | David Lyford |
| 6 | Dave Casolino |
| 7 | Greg Mendoza |
| 8 | Chris Costa |
| 9 | Adam Berk |
| 10 | David Williams (3) |
Junior | |
| 1 | Adam Strachman |
| 2 | Tyler English |
| 3 | Anthony Manousos |
| 4 | Ryan Koenig |
| 5 | Jesse Cianci |
Masters | |
| 1 | Kenneth Kemp |
| 2 | Matthew Johnson (1) |
| 3 | Chris George |
| 4 | Wayne Bates |
| 5 | Scott Herd |
Grand Masters | |
| 1 | Charles Moss |
| 2 | Dave Casolino |
| 3 | Anthony Ianiero |
| 4 | Scott Herd |
| 5 | William Willoughby |