Saitama Marathon

The Saitama Marathon is a major annual road running event held in Saitama, just north of Tokyo, Japan. Launched in 2015, the race has quickly become one of the country’s most popular spring marathons, offering a scenic and runner-friendly course that showcases Saitama’s urban parks, wide boulevards, and supportive local crowds. Typically held in March, the event attracts elite competitors and thousands of recreational runners seeking a fast and enjoyable marathon experience in the greater Tokyo metropolitan area.