Frida Karlsson led the way from Ebba Andersson as Sweden celebrated a one-two in the first ever women’s 50 kilometres cross country ski World Cup race in classic style on Saturday in Oslo. Karlsson broke a leader group at the famed Holmenkollen ski centre after 30km to triumph in 2 hours 20 minutes 20.3 seconds for an 11th career victory. Andersson was 1:19.3 adrift and Germany’s Katharina Hennig won a sprint for third, another 5.9 seconds back. American World Cup leader Jessica Diggins was 11th, more than four minutes off the pace. “It was a lot of fun. I worked so hard to get the gap,” Karls…