The 24-year-old from Malung in Dalarna edged out Norway's defending champion Maiken Caspersen Falla to claim the gold medal in the Women's Sprint Classic.
Back in her home-town, the cheers could be heard a little extra loudly, after she crossed the finishing line. Radio Sweden spoke to Anders Bjernulf, CEO of the tourist company Destination Sälen, who was best friends with Stina Nilsson's grandfather. He described the mood as "sheer joy".
"Everything stopped for a couple of minutes, no-one moved. It was like the old Ingemar Stenmark days,"