| 9/3/2005 | Colorado St | 28 | @ | Colorado | 31 | ||||
| 9/10/2005 | Colorado St | 24 | @ | Minnesota | 56 | ||||
| 9/24/2005 | Nevada | 21 | @ | Colorado St | 42 | ||||
| 9/29/2005 | Air Force | 23 | @ | Colorado St | 41 | MW | |||
| 10/8/2005 | Utah | 17 | @ | Colorado St | 21 | MW | |||
| 10/15/2005 | Colorado St | 14 | @ | BYU | 24 | MW | |||
| 10/22/2005 | Wyoming | 31 | @ | Colorado St | 39 | MW | |||
| 10/28/2005 | Colorado St | 35 | @ | New Mexico | 25 | MW | |||
| 11/5/2005 | Colorado St | 6 | @ | #14 TCU | 33 | MW | |||
| 11/12/2005 | San Diego St | 30 | @ | Colorado St | 10 | MW | |||
| 11/19/2005 | Colorado St | 31 | @ | UNLV | 27 | MW | |||
| 12/22/2005 | Colorado St | 30 | vs | Navy | 51 | Poinsettia |