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1 sport governed by this organization
IJF Sport and Organisation Rules (SOR), Version 24 July 2026 (2025-2028 cycle) — sor.ijf.org is a permalink that redirects to whichever SOR edition is current, so it does not need re-pointing when the IJF republishes
Judo was founded in 1882 by Professor Jigoro Kano in Tokyo, Japan. Drawing from the traditional Japanese martial art of jujutsu, Kano distilled its most effective techniques into a refined system built on two core principles: Seiryoku Zen'yo (maximum efficiency with minimum effort) and Jita Kyoei...
