The World O-Sport /World Obstacle Combat Sports Federation (WOF) is a non-profit, non – governmental, non-political international sports organization, responsible for all Obstacles Combat Sports disciplines that were founded on December 15, 2005, by Dr. Mohammad  Ghasem Manouchehri World Combat Sports Champion (Kickboxing and Thai boxing) and were released to the world of Sports market.

O-Sport was known as Oriental Combat Sports from 2005 to 2008 and its rebranding operation was carried out in 2008 at the Bangkok-Thailand General Assembly with the approval of its WOF members.

However, since April 2008, the O-Sport Brand, which was derived from the shortened name of Obstacle Combat Sports, has been recognized as a multi-stage sport in the world sports market.

The multi-stage technical structure of the O-Sport is formed of Traditional games (Sling Shot, Chase Tag, Shuffle), Obstacle Course racing (OCR), Axe Throwing/ Knife Throwing, Free Running, and Martial Arts/ Combat Sports.