Andersson was lumberjack by profession. He won his first skiing medal in 1946, at the junior district championships. In 1950 he finished third in the 15 km race at the national senior championships and was included into the national team. He won his only national title in 1952, in the relay.
References
{{DEFAULTSORT:Andersson, Sigurd}}{{Sweden-XC-skiing-bio-stub}} 10 : 1926 births|2009 deaths|People from Kalix Municipality|Cross-country skiers from Norrbotten County|Olympic cross-country skiers of Sweden|Swedish male cross-country skiers|Cross-country skiers at the 1952 Winter Olympics|Olympic medalists in cross-country skiing|Medalists at the 1952 Winter Olympics|Olympic bronze medalists for Sweden