Competition climbing

Narasaki won the IFSC World Championships in bouldering in 2016 and 2019, and was also the overall winner of the IFSC Climbing World Cup for bouldering in 2016 and 2019.^[2]

Narasaki formerly held the Japanese record for competition speed climbing with a time of 5.73 seconds, which he secured in March 2021 at the Climbing Japan Cup speed competition.^[3] He devised the "Tomoa skip", a speed climbing technique to bypass one of the lower holds on the speed climbing wall.^[4]

In 2019, Narasaki qualified for the Tokyo 2020 Olympics by winning gold in the IFSC Climbing World Championships.^[5] He placed fourth in the Olympic combined event.^[6]

Narasaki qualified for the 2024 Summer Olympics in Paris by placing third in the combined event at the 2023 IFSC Climbing World Championships.^[7]

Bouldering

On December 1, 2019, Narasaki became the sixth climber to flash a V14 (8B+) grade boulder after sending Decided in Mizugaki, Japan, on his first attempt.^[8] In 2021, Narasaki sent Asagimadara V15 (8C) on his third attempt.^[9] In December 2023, he flashed Gakidō, originally graded V16 (8C+), although Narasaki gave the boulder a grade of V14 after his send. Narasaki subsequently made the first ascent of the sit start to the climb, which he named Ashuradō and graded V15.

Climbing World Cup^[12]

Climbing World Championships^[13]

Lead^[13]

Bouldering^[13]