A triathlon is an endurance multisport race consisting of swimming, cycling, and running over various distances. Triathletes compete for fastest overall completion time, racing each segment sequentially with the time transitioning between the disciplines included. The word is of Greek origin, from τρεῖς, 'three', and ἆθλος, 'competition'.
World Triathlon, previously known as the International Triathlon Union (ITU), is the international governing body for the multi-sport disciplines of triathlon, duathlon, aquathlon and other nonstandard variations. It is recognised as the international federation for the sport of triathlon and its derivatives by the International Olympic Committee, and it organises Olympic triathlon events on behalf of the IOC.
Triathlon had its Summer Olympics debut at the 2000 Games, in Sydney, when men's and women's individual events were first held, and has been contested since then. In 2021, at the delayed 2020 Summer Olympics a mixed team relay event was held for the first time. The sport, and its Olympic events, are governed by the International Triathlon Union, known since 2019 as World Triathlon.
Alistair Edward Brownlee MBE is an English triathlete. He is the only athlete to hold two Olympic titles in the individual triathlon event, winning gold medals in the 2012 and 2016 Olympic Games. He is also a four-time World Champion in triathlon being Triathlon World Champion twice and World Team Champion twice, a four-time European Champion, and the 2014 Commonwealth champion. Brownlee is the only male athlete,, to have completed a grand slam of Olympic, World, and continental championships. Brownlee is also a one-time world champion in aquathlon. He is widely regarded as one of the greatest male Triathletes ever.
The 2009 ITU World Championship Series was a series of seven triathlon events leading to a Grand Final held in Gold Coast, Queensland, Australia in September 2009. The series was organised under the auspices of the world governing body of triathlon – the International Triathlon Union (ITU) – and was sponsored by Dextro Energy. The 2009 World Championship Series (WCS) was the first year of a change in format replacing the single World Championship race of prior years. Additionally, points accumulated in 2009 ITU Triathlon World Cup events would contribute to an athlete's overall point total in the Championship Series.
Jonathan Callum Brownlee is an English professional duathlete and triathlete. He is a six-time World champion, and one-time Olympic champion in triathlon.
Rachel Klamer is a Dutch professional triathlete and member of the National team. She placed third at the Junior World Championships in 2009.
The World Triathlon Sprint Championships is a triathlon competition covering distances of 750 m swim, 20 km bicycle and 5 km run and is organised by the World Triathlon. The inaugural championships took place in 2010. In 2011 the championship was held as an event as part of the 2011 ITU World Championship Series. Great Britain's Jonathan Brownlee was the male champion in both editions, while Swede Lisa Norden and Chilean Barbara Riveros Diaz won the first two women's championships. However, for every year after 2011 multiple sprint events were held as part of the World Triathlon Series with no delineation made between them, and so no title was awarded at sprint distances at the elite level.
The Dextro Energy Triathlon – ITU World Championship Series 2011 was a series of six World Championship Triathlon events leading to a Grand Final held in Beijing, China in September 2011. The Series was organised under the auspices of the world governing body of triathlon, the International Triathlon Union (ITU), and was sponsored by Dextro Energy.
The 2011 ITU Triathlon World Cup was a series of triathlon races organised by the International Triathlon Union (ITU) for elite-level triathletes to be held during the 2011 season. For 2011, nine races were announced as part of the World Cup series. The ninth and final race in Auckland, New Zealand was added as a test race for the 2012 ITU World Triathlon Series Grand Final. Each race was held over a distance of 1500 m swim, 40 km cycle, 10 km run. Alongside a prize purse, points were awarded at each race contributing towards the overall 2011 ITU Triathlon World Championships point totals.
The 2011 ITU Sprint Distance Triathlon World Championships was a triathlon race organised by the International Triathlon Union (ITU) held in Lausanne, Switzerland on August 20. Along with the ITU Team Triathlon World Championships, being held the following day in Lausanne, points earned at the Sprint Distance Championship are incorporated into the 2011 World Championships Series rankings.
The 2012 ITU World Triathlon Series was a series of eight World Championship Triathlon events that led up to a Grand Final held in Auckland, New Zealand in October 2012. The Series was organised under the auspices of the world governing body of triathlon, the International Triathlon Union (ITU).
Richard Murray is a Dutch/South African triathlete.
The 2018 ITU World Triathlon Series was the 10th season of the World Triathlon Series, the top-level international series for triathlon, since its establishment in 2009. The season consisted of nine pairs of triathlon races for both a men's and women's competition, as well as three mixed relays, beginning on 2 March in Abu Dhabi, and concluding on 16 September with the grand final at the Gold Coast.
The 2019 ITU World Triathlon Series was the 11th season of the World Triathlon Series, the top level international series for triathlon, since its establishment in 2009. The season consisted of eight pairs of triathlon races for both a men's and woman's competition, beginning on 8 March in Abu Dhabi, and concluding on 1 September with the grand final at Lausanne, Switzerland. The season also contained five mixed relays as part of the Mixed Relay Series which offers national teams qualifying points for the mixed team relay event at the 2020 Tokyo Olympics.
Alexander Amos Yee is a British professional triathlete and distance runner. He is the 2024 World and Olympic champion in standard or 'Olympic' distance triathlon. the second man to win both titles in a single year.
Bence Bicsák is a Hungarian professional triathlete and double Olympian. He was a member of the Hungarian 2024 Olympic Triathlon team and officially selected to compete in the men's individual event at the 2024 Summer Olympics in Paris, where he finished in 16th place out of 55 Olympians who started the race. He was also a member of the Hungarian 2020 Olympic Triathlon team and competed in the men's individual event at the 2020 Tokyo Olympic Summer Games where placed 7th out of 51 Olympians who started the race. Post Paris 2024 Olympics, Bicsák's 7th-place finish at an Olympic triathlon event remains unsurpassed by any other Hungarian triathlete.
The 2021 World Triathlon Championship Series was the 13th season of the World Triathlon Championship Series, the top level international series for triathlon, since its establishment in 2009. The season consisted of four pairs of triathlon races for both a men's and women's competition, beginning on May 15 in Yokohama, and concluding on August 21 with the grand final in Edmonton. The series calendar also included the 2020 Summer Olympics individual races on July 26 and 27 and mixed relay event on July 31.
The 2022 World Triathlon Championship Series was the 14th season of the World Triathlon Championship Series, the top level international series for triathlon, since its establishment in 2009, and crowned the 34th official World Triathlon Champion for both men and women since the first was crowned in 1989.
Alex Yee (GBR)
Cassandre Beaugrand (FRA)
Javier Gómez (ESP) (5)
2024 World Triathlon Championship Series 
