Kai Harada

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