Kristiansen, Ingrid 1956 - . Norwegian athlete. An outstanding long-distance runner of 5,000 metres, 10,000 metres, marathon, and cross-country races. She has won all the world's leading marathons. In 1986 she knocked 45.68 seconds off the world 10,000 metres record. She was the world cross-country champion 1988 and won the London marathon 1984-85 and 1987-88.