Obstacle Sports Federation

I N T E R N A T I O N A L

Interested in Hosting a Championship Race?

Please contact us if you would like to produce a sanctioned championship race.


For a comprehensive list of events, please visit Mud Run Guide 

Calendar of Events

June 30 - July 2 OCR European Championships

November 17-19 Pan Am Championships


OSF WORLD SERIES EVENTS

  • World Series #1 Western Europe
  • World Series #2 Eastern Europe
  • World Series #3 North America 
  • World Series #4 South America 
  • World Series #5 Africa
  • World Series #6 Asia
  • World Series #7 Oceania

The OSF World Series, National Championships of each country and Continental Championships will provide qualification for the OSF World Championships.