Here are all the 'O' sports from over 800 sports listed on our complete list of sports. There are not that many O sports, but Orienteering is well known. Less well known, but sounding like a lot of fun, is Oil Wrestling. Whatever you call it, Open Water Swimming, or Ocean Swimming, is an O sport.

There were too many to describe on just one page, so here we have a short description of just the sports starting with the letter 'O'.

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'O' Sports

  • Obstacle Course Racing — an event requiring an athlete to run through a variety of different obstacles.
  • Ocean Rowing — involves rowing races across entire seas and oceans.
  • Offroad Boarding — another name for Mountainboarding.
  • Off-Road Racing — many motor sports have competitions 'off-road', meaning on rough terrain.
  • Oil Wrestling — a form of wrestling called Yağlı Güreş in Türkiye, is where the wrestlers cover themselves in oil.
  • Oină – a Romanian traditional sport, similar in many ways to Baseball and Lapta played outdoors by two teams of 11 players, taking turns either batting or catching.
  • Okinawan Kobudō — weapon systems of Okinawan martial arts, also known as Ryūkyū Kobujutsu.
open water (ocean) swimming open water (ocean) swimming
  • One Day International (ODI) — a form of Cricket played in a single day, usually 50 overs per team. An even shorter version is the Twenty20.
  • One-Pocket — a version of Pocket Billiards where the objective is to pocket all the object balls into a single pocket.
  • Open Water Swimming — competitive swimming races conducted over various distances (10km at the Olympics) held in rivers, lakes and oceans.
  • Orienteering — participants find their way to various checkpoints across rough country with the aid of a map and compass, the winner being the one with the lowest elapsed time.
  • Outdoor Handball — another name for Field Handball.
  • Outrigger Canoeing — racing using a type of canoe featuring one or more lateral support floats known as outriggers, which are fastened to one or both sides of the main hull.
  • Over-the-line – a bat-and-ball sport related to baseball and softball with just 3 people per team. Unlike the other sports, the batter and pitcher are on the same team.
  • Oztag — a form of Tag Rugby