Eager for a run that blends urban charm with scenic beauty? Look no further than the EcoMarathon Futakotama, set against the backdrop of Tamagawa in Setagaya-ku, Tokyo. This vibrant race offers three distinct events suitable for all levels: a half marathon, a 10-kilometer route, and a parent-child event open to kids under 15. The course itself is flat and fast, winding through the heart of Tokyo with its unique blend of city life and natural beauty. Participants will start at precisely 11:00 AM amidst calm waters and lush public parks, ensuring a smooth and enjoyable experience for everyone involved. With only 300 spots available in total, runners can expect an uncrowded race day. Beyond the run itself, Tokyo offers endless opportunities to explore its iconic landmarks and hidden gems. From the bustling streets of Shibuya to the serene temples nestled among towering skyscrapers, this metropolis is a feast for both runners and sightseers alike. The EcoMarathon also supports environmental initiatives and charitable causes, with donations going directly to "Second Harvest Japan" and "the International Refugee Support Association." After crossing the finish line, there's plenty more to discover in Futakotamagawa. Take a leisurely stroll along the riverbanks or venture into Todoroki Valley for some tranquil nature time. Alternatively, head over to Shimokitazawa for its charming cafes and boutique shops. Whether you're running solo or with family, this race promises an unforgettable experience that seamlessly combines athletic challenge with cultural immersion. Join us in October for a day filled with scenic routes, vibrant cityscapes, and meaningful community engagement at the EcoMarathon Futakotama. Explore more races across Japan including events in Saitama, Osaka, Hiroshima, Kyoto, and Kumamoto. Each race is designed to highlight local beauty while supporting important causes, making every step count towards a greater purpose.
Races Offered
Course sur route 10 km
Oct 25, 2026
straighten
Distance —
10K
terrain
Type —
Running
timer
11:00
sell
$43.20
Course sur route 5 km
Oct 25, 2026
straighten
Distance —
5K
terrain
Type —
Running
timer
11:00
sell
$0.00
Semi-Marathon
Oct 25, 2026
straighten
Distance —
21.1K
terrain
Type —
Running
timer
11:00
sell
$54.00
Weather History
These values represent the 3-year monthly averages for October in Tamagawa.