Yokohama is one of the most enjoyable cities in Japan to run because the route design is naturally “runner-friendly”: long waterfront promenades, open views, and a clean, modern cityscape that feels spacious compared with central Tokyo. The signature experience is running around Minato Mirai and the Yamashita Park–Osanbashi area, where you can link the harbor skyline, parks, and piers into a smooth loop with constant scenery changes. The Red Brick Warehouse district adds a classic port-city atmosphere, while routes toward Yokohama Stadium and the surrounding streets give you an urban “city run” feel without losing that coastal character. For longer efforts, the seaside paths let you settle into a steady rhythm, and the combination of water, skyline, and wide walkways makes Yokohama especially satisfying for sunrise or evening runs—when the harbor lights and reflections turn the whole city into a moving postcard.