When
Jan 11, 2026
Starts at 9:30am JST
Weather
Weather During Race
☁️ Cloudy
· Wind 23 km/h
Website
Official website →
Event Details
Arakawa riverbed
About 10km upstream from Shin-arakawa Ohashi Baseball Field, serves as the start and finish point (From the Shin-arakawa Ohashi Baseball Field to about 1km beyond the Asaka Water Gate)
Event type
Half-Marathon
Distance
21.1 km
Surface
Road
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