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2026 Watarase Reservoir Autumn Marathon

2026 Watarase Reservoir Autumn Marathon

◇ When

November 23, 2026

Monday

⌖ Where

Watarase Retarding Basin

1834-4 Onobukuro, Kazo-shi, Saitama

渡良瀬遊水地
埼玉県 加須市 加須市小野袋1834-4

⌖ Open in Maps ↗
A marathon event will be held at the Watarase Reservoir, a scenic area popular with runners. The course is flat and easy to run, making it suitable for both beginners and experienced runners. The event takes place across a large reservoir area that spans Tochigi, Gunma, Saitama, and Ibaraki prefectures, offering beautiful views throughout the race. With a variety of race options and official timekeeping, participants can challenge their personal best or use the event for training, running at their own pace. Organized by the Sports Mate Run Executive Committee.
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