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 a British 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.
Aaron Gate is a New Zealand road and track cyclist, who currently rides for UCI Continental team Bolton Equities Black Spoke. He represented his country in track cycling at the 2012, 2016 and 2020 Summer Olympics. Gate is the first New Zealand athlete to win four gold medals at a single Commonwealth Games.
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 2016 Rio Paralympics when Triathlon made its debut at the Games and 2020 Tokyo Paralympics. He represented Australia at the 2018 Gold Coast Commonwealth Games where he won a silver medal.
Ron Darmon is an Israeli Olympic triathlete.
Jessica Learmonth is a British triathlete. Learmonth is a European, Commonwealth 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.
Tayler Reid is a New Zealand triathlete who represented his country at the 2018 Commonwealth Games on the Gold Coast. He won a bronze medal in the mixed relay with teammates Andrea Hewitt, Nicole van der Kaay, and Ryan Sissons, and finished 11th in the men's triathlon. Reid also competes in Super League Triathlon.
Hayden Wilde is a New Zealand professional triathlete. He was 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 silver medal in the Men's Triathlon at the Tokyo 2020 Olympics and the gold medal in the Triathlon Mixed Relay at the Tokyo 2020 Olympics on Saturday 31 July 2021. He is also the 2022 Commonwealth Games triathlon champion in both the men's and mixed team events. He is a double World Championship medalist over the World Triathlon Championship Series, with silver in 2022, and bronze in 2021
Jonathan Goerlach is an elite Australian triathlete with a disability. He represented Australia at the 2020 Summer Paralympics.
Bence Bicsák is a Hungarian professional triathlete. He is a member of the Hungarian 2020 Olympic Triathlon team. He competed in the men's individual event at the 2020 Tokyo Olympic Summer Games. He placed 7th out of 51 Olympians that started the race.
Ainsley Thorpe is a New Zealand professional triathlete.
