Heroics from winner Tomoa Narasaki in the men's combined event at the sport climbing world championships on Wednesday attested to Japan's chance of claiming at least one gold medal in the sport at the Tokyo Olympics next summer, and improvement on the speed wall proved crucial.The 23-year-old handed himself a huge boost for the rest of the day as two flawless head-to-head races in the speed, the first of three disciplines, guaranteed him at least second-place in the opening discipline.It was a marked difference from last year when he failed to recover from his early-round mistakes in the fi…READ FULL ARTICLE