A year after setting the national women's 800-meter record at 16, Rin Kubo, the cousin of Japan football star Takefusa Kubo, is looking to serve notice of her talent when she debuts at the world athletics championships opening Saturday in Tokyo.Her run of 1 minute, 59.93 seconds at a competition in July last year broke a 19-year-old record, with the youngster from Wakayama Prefecture setting the benchmark a month after winning her first national title.Now 17, Kubo is looking forward to running under the international spotlight."There's just excitement. I really want to rewrite my record," s…READ FULL ARTICLE