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

• 01 August 1998 : MODUM 2-DAGERS 98 Norway (Buskerud,Vikersund), Club: MODUM OL, 1000 competitiors
• 04 August 1998 : WORLD ROGAINING CHAMPIONSHIPS Canada (West,Douglas Lake Ranch), Club: Sage Orienteering, 250 competitiors
• 08 August 1998 : KM stafett for Akershus, Hedmark, Oppland, Oslo, Telemark og Norway (Vestfold,Stokke), Club: Stokke i.l., 500 competitiors
• 08 August 1998 : Svealandsprologen Sweden (Middle,Örebro), Club: Hagaby GoIF, 1000 competitiors
• 09 August 1998 : Svealandsmästerskapen Sweden (Middle,Örebro), Club: Hagaby GoIF, 1000 competitiors
• 09 August 1998 : Østlandsmesterskapet 1998 Norway (Vestfold,Tønsberg), Club: OTO - OL Tønsberg, 1000 competitiors
• 09 August 1998 : Østlandsmesterskapet 1998 Norway (Vestfold,Tønsberg), Club: OTO - OL Tønsberg, 1000 competitiors
• 11 August 1998 : European Cup MTBO Czech Republic (South,Lipno nad Vltavou), Club: USK Prague, 250 competitiors
• 14 August 1998 : 3 days O Czech Republic (South,Lipno nad Vltavou), Club: USK Prague, 1000 competitiors
• 14 August 1998 : 3 days O Czech Republic (South,Lipno nad Vltavou), Club: USK Prague, 1000 competitiors
• 15 August 1998 : KM 1998, Hordaland Norway (Hordaland,Kvamskogen), Club: IL Gular, 250 competitiors
• 22 August 1998 : Drammen 2-dagers Norway (Buskerud,Konnerud, Drammen), Club: O-gruppa, Konnerud Idrettslag, ??? competitiors
• 27 August 1998 : NM-Uka 98 Norway (Nord Trøndelag,Stjørdal), Club: OK Skøynar / IL Stjørdals-Blink Orienter, 500 competitiors
• 29 August 1998 : Veteranmesterskapet 29. - 30. august 1998. Norway (Oppland,Lena), Club: OL Toten-Troll, 1000 competitiors

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