O By KELSEY RILEY n Nov. 27, Japan’s best will line up for the $3-million G1 Japan Cup at Tokyo Racecourse, with a few formidable in- ternational challengers likely to oppose them. If you find yourself in the Land of the Rising Sun for the marquee race, I can highly recom- mend spending some time in Tokyo, which I did for the first time this summer. Time can be tight, so even if you just have a day, here are a few things to do to ensure you take in some of the city’s best: