2013 Contra Costa (CA) Championships - NPC
| Overall Winner Bostin Loyd | |
Super-HeavyWeight | |
| 1 | Randy Frank |
| 2 | Alex Cerati |
HeavyWeight | |
| 1 | Bostin Loyd |
| 2 | Edward Koo |
| 3 | Junior Magana |
Light-HeavyWeight | |
| 1 | Joseph Hubbard (2) |
| 2 | James Gilchrist |
| 3 | Jeff Watson |
| 4 | Jason Bettencourt |
| 5 | Ron Valenzuela |
| 6 | Christopher Brouillard |
| 7 | Gary Gorospe |
| 8 | Ryan Jones |
| 9 | Clayton West |
| 10 | Joseph Guerrero |
| 11 | Ceazar Agront |
MiddleWeight | |
| 1 | Brian McGee |
| 2 | Marshall Harris |
| 3 | Javier Perez |
| 4 | Fabian Gutierrez |
| 5 | Joseph Mixon |
| 6 | Carlos DelRio |
BantamWeight | |
| 1 | Benjay Gacayan |
| 2 | Michael Nguyen |
| 3 | Ajay Goel |
| 4 | Raymond Fong |
| 5 | John Manoogian |
Teen | |
| 1 | Jason Kohli |
| 2 | Mark Timko |
| 3 | Chad Carandang |
| 4 | Bogdan Katkov |
| 5 | Jacob Zylstra |
| 6 | Habib Silaiman |
| 7 | Ralph Vallimont |
| 8 | Philip Smith |
Masters 40+ | |
| 1 | Christopher Brouillard |
| 2 | David Daniels (2) |
| 3 | Marcus Phillips |
Masters 50+ | |
| 1 | Raymond Fong |
Masters 60+ | |
| 1 | Don Jude |
| 2 | John Manoogian |
| 3 | Daniel Montijo |