The Honolulu Marathon (branded JAL Honolulu Marathon for sponsorship reasons) is a major 26.2-mile (42.2 km) marathon in Honolulu, Hawaii. It is one of the world's largest marathons,[2] taking place annually on the second Sunday in December.[3] The marathon is popular for its exotic location in Hawaii, and is also popular among first-time marathoners, many of whom are visitors from Japan. In addition to title sponsor Japan Airlines, the marathon is also sponsored (as of 2012) by Adidas, MUFG Financial Group, NTT Docomo, and Sato Pharmaceuticals USA.