commonly described during races as the 'fourth discipline.' Notable events World Triathlon organised events World competitions World Triathlon Series World Triathlon Cup World Triathlon Long Distance Championships World Triathlon Mixed Relay Championships World Triathlon sanctioned events Olympics The sport made its debut on the Olympic program at the Sydney Games in 2000 over the Olympic Distance (swim: – bike: – run: ). A mixed relay event was introduced, using 4 Super Sprint distance legs, in the Tokyo Games in 2021. Paralympics Paratriathlon at the Summer Paralympics debuted at the 2016 Summer Paralympics held in Rio de Janeiro, Brazil. Paratriathlon is a variant of the triathlon for athletes with a physical disability. The Paralympic event originally scheduled a sprint race with athletes competing in six categories according to the nature of their physical impairments. Other multi-sport events Triathlon at the African Games Triathlon at the Asian Games Triathlon at the Commonwealth Games Triathlon at the Island Games Triathlon at the Pan American Games Triathlon at the Southeast Asian Games Other events Thousands of individual triathlons are held around the world each year. A few of these races are well known because they have a long history or because they have particularly grueling courses and race conditions. Hawaii Ironman World Championship, Kona, Hawaii. First held in 1978 on Oahu, only five years after the sport of triathlon was founded; it was later moved to Kailua-Kona on the island of Hawaii. The cycling stage of the race covers more than over lava flats on the big island of Hawaii, where mid-day temperatures often reach over and cross-winds sometimes blow at . The race is often challenging even to competitors with experience in other iron-distance events. Being a world championship race, only competitors that meet qualifying guidelines can enter, typically qualifying slots are awarded in other Ironman sanctioned events. Nice Triathlon, Nice, France. A race that existed until 2002 when the course was adopted by the WTC as Ironman France. During the 1980s the Nice Long Distance triathlon (swim , bike , run ) was, alongside the World Championships in Kona, one of the two important races each year with prize money and media attention. Mark Allen won here 10 consecutive times. The World Triathlon's Long Distance is a Nice-Distance race except during a short period from late 2006 to early 2008, in which it was + + . Enduroman Arch to Arc. A