In what year was the first Tokyo Marathon held?

The first Tokyo Marathon was held in 2007.

The inaugural race took place on 18 February 2007 and helped establish Tokyo as a major destination on the international road-racing calendar. It replaced several earlier elite and mass-participation events in the city, bringing them together in a single large marathon.

Tokyo later became the sixth member of the Abbott World Marathon Majors in 2013. The race attracts elite competitors from around the world as well as a large field of recreational runners, making it both a high-level competition and a major public event.

A common mix-up is assuming that Tokyo joined the World Marathon Majors when the race began. The marathon started in 2007, but its inclusion in the six-race series came several years later. The course passes landmarks including the Tokyo Metropolitan Government Building and Asakusa.