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.

Oita is a city located on the island of Kyushu, and is known for its hot springs, cuisine, and beautiful coastal scenery.

Japan's recorded history dates back to the 5th century AD, when the first known emperor, Emperor Jimmu, ascended to the throne.