Information

COS Sponsorship Brochure (pdf)

COS Brochure (pdf)

Colorado Obstacle Series Rider info sheet (docx)

Colorado Obstacle Series Host info sheet (docx)

2025 Colorado Obstacle Series Judging Matrix (docx)

2025 Colorado Obstacle Series Rules (docx)

2025 registration May Painted Skull (jpg)

2025 registration June Arvada (jpg)

2025 registration July Arvada (jpg)

2025 registration Aug Arvada (jpg)

2025 registration Sept Solid Ranch Rock (jpg)