section_path: Competitions/International competitions/World championships
section_name: World championships
paragraph_text: World championships
  
  The World Athletics Championships is the primary global athletics championships held by World Athletics. The biennial competition was first held in 1983 and now features an event programme which is identical to the Olympics. Thus, road running, racewalking and track and field are the sports which feature at the competition. Cross country running has its own discrete global championships – the World Athletics Cross Country Championships – which has been held annually since 1973. The World Athletics Indoor Championships is a biennial athletics championships which features solely indoor track and field events. The foremost separate road running event is the annual World Athletics Half Marathon Championships (formerly IAAF World Half Marathon Championships). While not having official world championship status, the biennial World Athletics Race Walking Team Championships fulfils a similar role for the sport of racewalking. Outdoor track and field is the only sport in athletics that does not have a its own distinct global championship which is separate from other types of athletics, although the IAAF Continental Cup (a quadrennial competition between continental teams) is composed entirely of outdoor track and field events.
  
  Other world championships include the World Athletics U20 Championships and the 2017 defunct World Youth Championships in Athletics, which are for athletes under-19 and under-17, respectively. World Masters Athletics conducts the World Masters Athletics Championships for athletes in 5-year age divisions over the age of 35. The now defunct IAAF World Road Relay Championships served as the global event for ekiden marathon relay races.
  
  Elite athletes with a physical disability compete at the World Para Athletics Championships.