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.
Triathlon is one of the sports at the quadrennial Commonwealth Games competition. It was first granted Commonwealth Games sport status in 2002, and has been held in each edition since, except in Delhi 2010 Games due to the lack of suitable venue for the swimming leg in Delhi. Until 2022, it was a core sport which had to be included in each competition's sporting programme. Para-triathlon was first included as an optional sport in the Gold Coast 2018 games. The next appearance of the sport will take place in the 2026 Commonwealth Games in Victoria, Australia
Jonathan Callum Brownlee is an English professional duathlete and triathlete. He is a six-time World champion, and one-time Olympic champion in triathlon.
Justus Nieschlag, is a German professional triathlete, member of the National Team (B-Kader/U23), and the Junior European Champion of the year 2011.
Beth Potter is a multiple World Champion Scottish triathlete and long distance runner competing internationally for Great Britain, and for Scotland at the Commonwealth Games. She competed for Great Britain in athletics at the 2016 Summer Olympics in Rio de Janeiro. In 2019 she won the gold medal at the European Triathlon Championships in Weert, Netherlands. In 2022, she won individual bronze at the 2022 World Triathlon Sprint Championships, and silver with Team Great Britain in the World Triathlon Mixed Relay Championships. In 2023, she won the Elite championship in the World Triathlon Championship Series, becoming the sixth British women's world champion.
Dorian Coninx is a French triathlete. He competed in the men's event at the 2016 Summer Olympics.
Marten Van Riel is a Belgian triathlete.
Miriam Casillas García is a Spanish triathlete. She competed in the women's event at the 2016 Summer Olympics held in Rio de Janeiro, Brazil. In 2021, she competed in the women's event at the 2020 Summer Olympics in Tokyo, Japan. She also competed in the mixed relay event.
Jessica Learmonth is a British triathlete. Learmonth is a European, Commonwealth, Olympic and World Triathlon Series medal winner based in Leeds, England where she trains at the Leeds Triathlon Centre. She won the European Triathlon Championship in 2017 and took silver in 2018. She competed in the women's event and the mixed relay at the 2018 Commonwealth Games, winning silver medals in both disciplines. Learmonth won silver in the 2019 World Triathlon Series.
Georgia Taylor-Brown is an English professional triathlete. Having won bronze in the 2018 and 2019 World Triathlon Series, Taylor Brown won the one-off sprint triathlon race in Hamburg that constituted the 2020 World Triathlon Championship, becoming the fifth British woman to become world champion.
supertri is a league of nonstandard triathlon-based races held in the traditional off-season of the sport. Every race involves a swim, bike and run element but all contain additional rules in an aim to test athletic ability, increase viewer excitement and increase the popularity of triathlon more globally.
Vasco de Paiva Vilaça is a Portuguese triathlete. He won the gold medal at the 2017 European Triathlon Championships on the Junior Men category and later on, a silver medal at the ITU World Triathlon Grand Final in Rotterdam also on the Junior category.
Sophie Coldwell is a British triathlete. She competed in the women's event at the 2018 Commonwealth Games. and has achieved several medals in International Triathlon Union (ITU) and European Triathlon Union (ETU) Championships. Sophie Coldwell is based in Loughborough, England. On the 26th June 2022, she won her 1st major medal when helping Team GB to Silver in the mixed team relay. She finished in third place in the 2022 Super League Triathlon Championship Series.
Hayden Wilde is a New Zealand professional triathlete. He was the silver medalist at the Paris Olympics in 2024 and the bronze medallist at the Tokyo Summer Olympics, the silver medalist at the 2022 Commonwealth Games and the winner of the 2021 XTERRA World Championships. He finished second in the 2021 Super League Triathlon Championship Series, having taken the win at the SLT London race. Wilde won the 2022 Super League Triathlon Championship Series, having been victorious in 3 of the 5 series races.
Alexander Amos Yee is a British professional triathlete and distance runner. He won the gold medal in the Men's Triathlon at the 2024 Summer Olympics in Paris, the silver medal in the same event at the Tokyo 2020 Olympics, the gold medal in the Triathlon Mixed Relay at the Tokyo 2020 Olympics, and the bronze medal in the same event at the 2024 Summer Olympics in Paris. With two golds, one silver, and one bronze medal, Yee is the most successful triathlete in Olympic history.
Kenji Nener is a Japanese triathlete. He competed in the men's event at the 2020 Summer Olympics held in Tokyo, Japan. He also competed in the mixed relay event. Nener was born in Australia to an Australian father and a Japanese mother. He initially represented his country of birth, but switched allegiances when he was granted Japanese citizenship in 2021. Nener also competes in Super League Triathlon races. Nener's biggest success in Super League racing came in 2022, when he finished 3rd at SLT Toulouse, Super League's first ever event in France.
Ainsley Thorpe is a New Zealand professional triathlete. She competed in the women's triathlon at the 2024 Summer Olympics in Paris, France.
The mixed relay triathlon was part of the Triathlon at the 2022 Commonwealth Games program. The competition was held on 31 July 2022 at Sutton Park, near Sutton Coldfield in Birmingham. This was to be the third time the event had been held at the Commonwealth Games.
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.
Samuel "Sam" Dickinson is an English professional triathlete. He has represented England at the Commonwealth Games, where he won a gold medal.
