5. Marit Bjorgen (Norway)

Bjorgen, 37, triumphed in the women's 30km cross-country and 4x5km cross-country relay ski at the PyeongChang Olympic Winter Games. With two golds, one silver and two bronzes in PyoengChang, the Norweigian skiing idol became the third athlete to bag eight golds in the Winter Games and the most decorated winter Olympian of all time with 15 medals to her name. She announced her retirement on April 6.