Denmark's world champion Ida Bobach was among those who attended the opening of the new IOF headquarters in Karlstad ©IOF

The International Orienteering Federation (IOF) has officially opened its new offices in Karlstad in Sweden.

The special ceremony was timed to coincide with the first-ever edition of World Orienteering Day.

The historic day at the IOF started with a visit to a local school to take part in its own special event to mark World Orienteering Day. 

Guests included IOF President Brian Porteous and the governing body's senior vice-president Leho Haldna.

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IOF President Brian Porteous was among those who attended a World Orienteering Day event in Karlstad ©IOF

It was also attended by local politicians and Denmark's world long distance champion Ida Bobach.

There were also representatives from the Swedish Sports Confederation, Swedish Orienteering Federation and the Latvian Orienteering Federation.

It is estimated that more than 200,000 people in over 2,000 locations in 79 countries took part in World Orienteering Day.