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.
Nicola Spirig Hug is a Swiss lawyer and former professional triathlete. She is the 2012 Olympic and six times European champion in women's triathlon.
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.
Rachel Klamer is a Dutch professional triathlete and member of the National team. She placed third at the Junior World Championships in 2009.
Lisa Perterer is an Austrian professional triathlete, winner of the 2009 Junior European Cup circuit and Austrian Junior Champion 2010. At the 2012 Summer Olympics, she finished in 48th in the individual event. In 2021, she competed in the women's event at the 2020 Summer Olympics held in Tokyo, Japan, finishing 27th. She was also scheduled to compete in the mixed relay event but the Austrian team did not start.
Vicky Holland is a British triathlete who is part of the Great Britain and Northern Ireland Olympic team. Holland was the 2018 World Triathlon champion, the fourth British woman to win the title. She was also the first female triathlete to win an Olympic medal for Great Britain, a bronze in 2016, holding off housemate, compatriot and fellow world champion Non Stanford.
Ryan Sissons is a New Zealand triathlete. Born in Bulawayo, Zimbabwe, Sissons represented New Zealand at the 2012 London Olympics in the triathlon where he finished 33rd. At the 2014 Commonwealth Games, he finished in 13th in the individual event and was part of the New Zealand mixed relay team that finished in 5th. At the 2016 Summer Olympics, he finished in 17th. At the 2017 ITU World series in Hamburg, Ryan finished 3rd. At the age of 32, Ryan retired in 2020 after the Tokyo Olympic Games were postponed, with no guarantees that the games would go ahead in 2021.
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.
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.
Lauren Parker is an Australian para-triathlete and para-cyclist. She won a silver medal (triathlon) at the 2020 Summer Paralympics and two gold and silver (cycling) medals at the 2024 Summer Paralympics.
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.
Ruby Storm is an Australian Paralympic swimmer with an intellectual disability. She represented Australia at the 2019 World Para Swimming Championships, winning a bronze medal, and at the 2020 Tokyo Paralympics, she won a silver and bronze medal. At the 2024 Paris Paralympics, she won a silver medal.
Jonathan Goerlach is an elite Australian triathlete with a disability. He represented Australia at the 2020 Summer Paralympics.
Makoto Odakura 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.
Zsanett Bragmayer is a Hungarian triathlete. She competed in the women's event at the 2020 Summer Olympics held in Tokyo, Japan. She also competed in the mixed relay event.
Romina Biagioli is an Argentine triathlete. She competed in the women's event at the 2020 Summer Olympics held in Tokyo, Japan.
Niina Kishimoto is a Japanese triathlete. She competed in the women's event at the 2020 Summer Olympics held in Tokyo, Japan. She also competed in the mixed relay event.
Olivia Mathias is a Welsh professional triathlete. She competed at the 2022 Commonwealth Games, in Mixed relay, winning a silver medal.
The triathlon competitions at the 2024 Summer Olympics in Paris ran from 31 July to 5 August at Pont Alexandre III, featuring a total of 110 athletes who were to compete in each of the men's and women's events. After a successful debut at the 2020 Summer Olympics, the mixed relay competition will remain in the triathlon program for the second time.
