The Tokyo Marathon, first held in 2007, has become one of the most popular marathons in the world, with over 30,000 runners participating each year.

The Hakone Ekiden, a long-distance relay race held annually between Tokyo and Hakone, is one of the most prestigious races in Japanese college athletics.

The Japanese dormouse is a small nocturnal rodent that is endemic to Japan and is known for its long, bushy tail.