[1] At the age of 12, she decided that she wanted to ski and contacted Ecke Lindgren, who constructed a sit-ski for her.
[2] She achieved a major success at the 1990 World Championships where she took all five gold medals at Winter Park in Colorado.
At the 1992 Winter Paralympics she took a gold medal at Albertville in the Giant Slalom; her time of 2:36:78 beat Shannon Bloedel and Candace Cable of the US.
[2] Ruth, who took the name of Marit Sundin, lived in Åre and had to rely on her car for transport, particularly for skiing as there was no good snow locally.
However this design depended on the transfer of weight to slow down and Sundin could not achieve this, so the device was difficult to stop.