Olympics.2C Paralympics and world championships Track and field

the 100 m final @ 2008 summer olympics

the major global track , field competitions both held under scope of athletics. track , field contests make majority of events on olympic , paralympic athletics programmes, occur every 4 years. track , field events have held prominent position @ summer olympics since inception in 1896, , events typically held in main stadium of olympic , paralympic games. events such 100 metres receive of highest levels of media coverage of olympic or paralympic sporting event.

the other 2 major international competition track , field organised iaaf. iaaf had selected olympic competition world championship event in 1913, separate world championships athletics alone first held in 1983 – iaaf world championships in athletics. championships comprised track , field competitions plus marathon , racewalking competitions. initially, worked on quadrennial basis but, after 1991, changed biennial format. in terms of indoor track , field, iaaf world indoor championships in athletics has been held every 2 years since 1985 , world championships consists of solely track , field events.