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3 events in Shinjuku, Tokyo

From big races to Saturday morning group runsβ€”find 5k events and connect with the local endurance sports community.

  • Ecomarathon Horikiri [finishers.com] [Register at finishers.com]

    Sun, Mar 29, 2026

    Description

    Get ready for the Horikiri Ecomarathon, a sporting experience in March in the heart of Tokyo Prefecture in the Japan πŸ‡―πŸ‡΅. Specifically, it is in the Katsushika Ward, near Horikiri Shoubuen station, at...

    Get ready for the Horikiri Ecomarathon, a sporting experience in March in the heart of Tokyo Prefecture in the Japan πŸ‡―πŸ‡΅. Specifically, it is in the Katsushika Ward, near Horikiri Shoubuen station, at the Horikiri Waterside Park, where you will start your race at 11 AM sharp ! πŸ•š You are therefore set for two race options: a half-marathon or a 10 km, all in the form of a loop. If you have come with your family πŸ‘¨β€πŸ‘©β€πŸ‘§β€πŸ‘¦, a parent-child 5 km race is organized. The course also takes the form of a loop πŸ”‚. You will enjoy a course surrounded by lakes, ponds, and beautiful nature πŸƒ. You will be immersed in a peaceful and inspiring environment, perfect for breaking your personal record or simply savoring every stride πŸ’ͺ. Moreover, you run in a small group of 300 people, ideal for meeting new people πŸ€—.

    5k 10k Half Marathon Marathon Run

    Shinjuku, Tokyo, Japan
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