World Triathlon

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Ai Ueda (JPN), 25 Years of Believing

By Emma Carney3rd Oct4 min read

Three-time Olympian Ai Ueda (JPN) will step away from the highest level of professional racing at the end of the 2026 season, closing a chapter that began on 1 July 2001 and spanned 244 World Triathlon events.

For a quarter of a century, Ai Ueda has been one of the most recognisable and respected figures in world triathlon. The Japanese star has shared a heartfelt letter with World Triathlon and Triathlon Japan, announcing that she will close her career at the top of the professional category at the end of this season. Fortunately for the triathlon community, it is not a farewell to the sport. Ueda made clear that her love for triathlon remains unchanged, and that she intends to stay in it for life, now in a new role.

From Kyoto to the world stage

Born in Kyoto in 1983, Ueda made her triathlon debut on 1 July 2001. Within a year, she had moved to Chiba to pursue the sport full-time and was crowned Junior Asian Champion in 2002. She stepped up to the Elite category in 2003 and the results came quickly. World Cup victories in Wakayama and Gamagori in 2004 were followed by wins in Murakami and Shichigahama in 2005, the year she became Asian Champion and Japan's top-ranked triathlete. A silver medal at the 2006 Asian Games in Doha confirmed her place among the region's best.

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Three Olympic Games and two kinds of tears

A second Asian Championship title in 2008, built on a bold and aggressive run, secured Ueda's selection for the Beijing 2008 Olympic Games, where she finished 17th. She returned to the Olympic start line at London 2012, finishing 39th. Two years later, she reached the top of the podium at the 2014 Asian Games in Incheon, adding gold to her 2006 silver, before a third Olympic appearance at Rio 2016.

Of every race across 25 years, it is Rio that remains most vivid for her. Her 39th place fell far short of what she had envisioned, and for the first time in her life she shed tears of disappointment in front of others. What followed defined her. Ueda regrouped physically and mentally and, one month later, finished fifth at the World Triathlon Series Grand Final. That result lifted her to third in the year-end world ranking, and at the awards ceremony the tears came again, this time of joy. She closed that season with a home victory at the inaugural Miyazaki World Cup.

"Those two moments, the tears of disappointment and the tears of happiness, symbolise my entire competitive career. When things do not go as planned, it does not mean the journey is over. Believe in yourself once again and keep challenging yourself."

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A career measured in hundreds of starts

Few athletes have raced as often, or as well, for as long. Ueda lined up at 244 World Triathlon events, collecting 39 wins and 68 podiums. Her World Cup victories stretched from Asia to the Americas, including back-to-back titles in Huatulco in 2009 and 2010.

Her range went beyond Olympic-distance racing. She claimed her first Duathlon World Championship title in 2013, and since moving to IRONMAN and IRONMAN 70.3 racing in 2022, she has completed 20 further events. In 2024, she was still racing for world titles, finishing fourth at the World Triathlon Long Distance Championships in Townsville.

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The power of believing

Throughout her career, Ueda has been guided by one phrase: "There is no limit to the desire for improvement." Alongside it, she cultivated a second value over many years of competition: the power of believing. For Ueda, that meant believing in her own potential until the impossible became possible, and in the countless hours of work behind every race. It meant believing in the people who supported her, and accepting that every experience, good or difficult, was one she needed at that moment. She credits the people she met through triathlon for allowing her to chase her goals with a smile, and in her letter she thanked her sponsors, suppliers, family, coaches, trainers, mechanics, training partners, friends and teammates "from the bottom of my heart".

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A new role, the same smile

Ueda's immediate focus is recovering from knee surgery, one step at a time, with the aim of returning to racing during 2026. Beyond that, she will continue as a professional triathlon navigator, sharing the joy of the sport through races, events, training camps and speaking engagements, and supporting the next generation of athletes.

"Sometimes, beyond those challenges, there is a view more extraordinary than anything you could have imagined. At no point in that process did I ever feel like giving up."

Thank you, Ai Ueda

World Triathlon thanks Ai Ueda for 25 extraordinary years at the highest level, and looks forward to everything she will give the sport next.

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