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.
Emma Laura Snowsill OAM is an Australian professional triathlete and multiple gold medalist in the World Championships and the Commonwealth Games. She won the gold medal in triathlon at the 2008 Olympics. Snowsill is married to the 2008 Olympic champion in men's triathlon, Jan Frodeno.
Kris Gemmell is a New Zealand triathlete, and 2002 World Aquathon Champion in Cancún, Mexico. He has also competed in the 2002 and 2006 Commonwealth Games finishing 6th and 5th respectively.
Andrea Hansen is a New Zealand triathlete who placed third at the 2009 ITU Triathlon World Championships and competed at the 2008, 2012, and 2016 Summer Olympics.
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.
Boys' triathlon was part of the triathlon at the 2010 Summer Youth Olympics programme. The event consisted of 750 metres (0.47 mi) swimming, 20 kilometres (12 mi) cycling, and 5 kilometres (3.1 mi) running. It was held on 16 August 2010 at East Coast Park. The park is Singapore's most popular public beach and park; it is the venue of the Osim Singapore Triathlon, an Olympic triathlon event which began in 2002. Competitors swam in the open seas of the Singapore Strait and raced on the park's 12-kilometre (7.5 mi) track.
Emma Jackson is an Australian professional triathlete, U23 World Champion of the year 2010, and 2009 Junior World Championships silver medalist.
Nicky Samuels is a New Zealand professional triathlete who has won the 2013 XTERRA Triathlon World Championship and the 2012 ITU Aquathlon World Championships. She is also the 2012 New Zealand cycling road race national champion. She represented—alongside Andrea Hewitt—New Zealand at the 2016 Summer Olympics in triathlon and came 13th.
Lindy Hou, is an Australian tandem cyclist and triathlete from Hong Kong. Arriving in Australia with her family in 1974, she was diagnosed with retinitis pigmentosa in the mid-1980s and became legally blind in 1996. She has won six medals at the 2004 and 2008 Summer Paralympics.
Shane Robert Reed was a New Zealand aquathlete and triathlete. He won three titles at the ITU Aquathlon World Championships. During his sporting career, he took part in over 65 ITU competitions, winning five medals and achieving thirty-one top ten finishes.
Debbie Tanner is a triathlete from New Zealand, who placed fourth at the 2006 Commonwealth Games in Melbourne, and competed at the 2008 Summer Olympics in Beijing.
Lauren Campbell is a triathlete from Canada, who won the bronze medal at the 2007 Pan American Games in Rio de Janeiro, Brazil, and competed at the 2008 Summer Olympics in Beijing. She is currently ranked no. 48 in the world by the International Triathlon Union.
Aaron Royle is an Australian professional triathlete who has made significant accomplishments in the sport of triathlon. Royle has represented Australia in numerous international competitions, including the Olympic Games, the Commonwealth Games, and the ITU World Triathlon Series. Known for his exceptional running and swimming abilities, Royle has become one of the most respected and accomplished triathletes in Australia's history.
Nicole van der Kaay is a New Zealand triathlete who represented her country at the 2018 Commonwealth Games on the Gold Coast. She won a bronze medal in the mixed relay with teammates Andrea Hewitt, Tayler Reid, and Ryan Sissons, and was the best-placed New Zealander in the women's triathlon, finishing seventh. She competed at the 2022 Commonwealth Games where she came 9th in the women's event. She grew up in Taupō.
Yuko Takahashi is a Japanese triathlete. She won the gold medal in the women's triathlon at the 2018 Asian Games in Jakarta, Indonesia.
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.
Alois Knabl is an Austrian triathlete. He competed in the men's event at the 2020 Summer Olympics. However, he was not able to finish due a mechanical problem during the cycling segment of the race. He was also scheduled to compete in the mixed relay event but the Austrian team did not start.
Ainsley Thorpe is a New Zealand professional triathlete. She competed in the women's triathlon at the 2024 Summer Olympics in Paris, France.
