Note! This is the old version of World of O which is kept only for historical reasons. Links are mostly dead - please use WorldofO.com

• 14 September 2000 : Norgesmesterskap senior Norway (Akershus,Asker og Bærum), Club: Asker Skiklubb / IL Tyrving, 500 competitiors
• 16 September 2000 : Italian classic and relay Championships ( 2 days) - WRE Event Italy (North,Sella Valsugana (Trentino)), Club: Panda Orientering Team Valsugana, 1000 competitiors
• 3 September 2000 : Swiss national championship 2000 Switzerland (North,Zurich), Club: OLC Kapreolo, 2000 competitiors

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