Kai Harada
Japanese rock climber
About Kai Harada
Born 1999. Kai Harada is a Japanese rock climber.
Kai Harada (原田 海 Harada Kai; born May 10, 1999) is a Japanese competition climber who specialises in bouldering. He started competition climbing in 2015, placing in the Youth A Bouldering Championships and the Junior Asian Championships.
In 2018 he won the Bouldering Climbing World Championships as an outsider, and was the only person to get four tops in the final.
In December 2020, Harada's qualification for the Tokyo 2020 Olympics was confirmed after a dispute between the IFSC and the Japan Mountaineering and Sport Climbing Association.
Rankings Climbing World Cup Discipline 2017 2018 2019 Lead - 36 Bouldering 16 16 12 Speed - - Combined 53 6
Climbing World Championships Youth
Adult Discipline 2018 2019 Lead 10 7 Bouldering 1 9 Speed - 32 Combined 4
Number of medals in the Climbing World Cup Bouldering Season Gold Silver Bronze Total 2019 1 1 Total 0 1 0 1
Notable ascents Boulder problems G-Master - Rocklands (RSA) - July 2024 Bloody Mary - Rocklands (RSA) - June 2024 The Buttermilker - Bishop (USA) - February 2025
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Important facts
Contemporaries
People whose lives overlapped Kai Harada's
Frequently asked questions
Who is Kai Harada?
Japanese rock climber (1999-)
When was Kai Harada born?
Kai Harada was born on 10 March 1999 in Kanagawa Prefecture.
What is Kai Harada's occupation?
Kai Harada is a rock climber.
What nationality is Kai Harada?
Kai Harada is Japanese.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Kai Harada. https://biography.guide/kai-harada/
MLA: "Kai Harada." Biography.guide, https://biography.guide/kai-harada/.
Chicago: "Kai Harada." Biography.guide. https://biography.guide/kai-harada/.
Data last updated: 2026-09-23 · Spot an error? Report a correction.
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