Karlobag.eu / AI illustration Sports Jun 17, 2026 · Sports desk Kontiolahti and Östersund battle to host the 2031 Biathlon World Championships, decision in September Kontiolahti and Östersund have officially entered the race to host the 2031 Biathlon World Championships. The IBU will decide at its Congress in Berchtesgaden after assessing two Nordic venues with deep World Cup experience, proven championship history, modern arenas and strong regional backing