The 2010 World Orienteering Championships, the 27th World Orienteering Championships, were held in Trondheim, Norway, 8 –15 August 2010.

The championships had eight events; sprint for men and women, middle distance for men and women, long distance (formerly called individual or classic distance) for men and women, and relays for men and women.

Medalists Men's sprint 16:10.9 Women's sprint 16:06.2 Men's middle distance 30:33 Women's middle distance 30:01 Men's long distance 1:32:41 Women's long distance 1:12:49 Men's relay 2:09:51 Women's relay 1:59:04

References