These are the biggest European OCR Event Organisations. Do you miss an organisation? Let us know via info@ocreurope.com.
- Adventurey
- Barbarian Race
- FISO World Obstacle
- Inferno Run
- Legion Run
- Mud Masters
- Muddy Angel Run
- Nuclear Races
- OCR Series
- Runmageddon
- Spartan Race
- Strong Viking
- Tough Mudder
- Toughest
- War Race
- Xletix
