Katsushika Fureai Half Marathon 2026
Experience the Katsushika Fureai Half Marathon 2026 along the scenic Arakawa River in Katsushika. This popular river-side race starts at 09:00 on December 6, 2026, weaving through Tokyo's ward with supportive crowds and a festive race atmosphere. Check katsushika-half.jp for entry details and race info.