Skip to main content

4 events in Shinjuku, Tokyo

From big races to Saturday morning group runs—find マラソン (marathon) events and connect with the local endurance sports community.

4 events
Run Cycling — no events here yet Triathlon — no events here yet Swim — no events here yet parkrun — no events here yet Half Marathon 10k Open Water — no events here yet Trail Walk — no events here yet Kids — no events here yet More filters

Shinjuku

4 events in Shinjuku
  • Sun, Mar 29, 2026

    Get ready for the Horikiri Ecomarathon, a sporting experience in March in the heart of Tokyo Prefecture in the Japan 🇯🇵. 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 ! 🕚 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 👨‍👩‍👧‍👦, a parent-child 5 km race is organized. The course also takes the form of a loop 🔂. You will enjoy a course surrounded by lakes, ponds, and beautiful nature 🍃. You will be immersed in a peaceful and inspiring environment, perfect for breaking your personal record or simply savoring every stride 💪. Moreover, you run in a small group of 300 people, ideal for meeting new people 🤗.

    See full details
    5k10kHalf MarathonMarathonRun via Finishers.com
  • Sun, Apr 12, 2026

    Get ready for the Nikotama Ecomarathon, a sporting experience in April in the heart of the Setagaya prefecture in Japan 🇯🇵. More precisely in the city of Nikotama (also called Futako-Tamagawa), by the Tama River, in the Tamagawa Futako Bridge Park, where you will start your race at precisely 11:00 AM ! 🕚 You're heading out for two races to choose from: a half-marathon or a 10 km, all in a loop format. If you've come with family 👨‍👩‍👧‍👦, a parent-child race of 5 km is organized. The course also takes the form of a loop 🔂. You can enjoy a track surrounded by lakes, ponds, and beautiful nature 🍃. You'll be immersed in a peaceful and inspiring environment, perfect for breaking your personal record or simply enjoying every stride 💪. Moreover, you'll be running in a small group of 300 people, ideal for making new friends 🤗.

    See full details
    5k10kHalf MarathonMarathonRun via Finishers.com
Like Wikipedia, anyone can contribute. Sign up to add your local events.