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.
Samantha Warriner is a retired triathlete who represented New Zealand in triathlons ranging from sprint distance up to the Ironman. She was born in Alton, Hampshire, England. She turned professional at the end of 2005 after competing internationally for 3 years while teaching full-time at Whangarei Girls High School.
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.
Jonathan Callum Brownlee is an English professional duathlete and triathlete. He is a six-time World champion, and one-time Olympic champion in triathlon.
João José Sales Henriques de Carvalho Pereira is a Portuguese triathlete who represents Benfica, at club level, and the Portuguese national team.
Kate McIlroy is a New Zealand cyclist, triathlete and former runner. She won the World Mountain Running title in 2005 and was later named New Zealand Sportswoman of the Year at the Halberg Awards.
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.
Gwen Rosemary Jorgensen is an American distance runner and professional triathlete. She is the 2014 and 2015 ITU World Triathlon Series Champion. She has been named USA Triathlon's 2013 and 2014 Olympic/ITU Female Athlete of the Year. She was a member of the 2012 Olympic Team and again represented the United States in triathlon at the 2016 Summer Olympics, where she won the USA's first ever triathlon gold medal with a time of 1 hour, 56 minutes, and 16 seconds.
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.
Katie Zaferes is an American professional triathlete from Hampstead, Maryland. She earned a silver and bronze medal for the United States in the 2020 Tokyo Olympic triathlon held in 2021. She is also the 2019 ITU World Triathlon Series women's champion. She has placed second overall in the 2018 ITU World Triathlon Series and third in the 2017 ITU World Triathlon Series. Zaferes won both the 2018 and 2019 Super League Triathlon Championship Series. She finished in 3rd position in the series in 2021.
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.
Nic Beveridge is an elite Australian triathlete with a disability. He represented Australia at the 2018 Gold Coast Commonwealth Games where he won a silver medal. He has competed at three Summer Paralympics.
Tony Dodds is a New Zealand triathlete.
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.
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 is the 2024 World and Olympic champion in standard or 'Olympic' distance triathlon, the second man to win both titles in a single year.
Matthew Sharpe is a Canadian triathlete. In 2021, he competed in the men's triathlon at the 2020 Summer Olympics held in Tokyo, Japan.
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.
Ainsley Thorpe is a New Zealand professional triathlete. She competed in the women's triathlon at the 2024 Summer Olympics in Paris, France.
