Sognesfjord is Norway’s longest Fjord and lies in the heart of Fjord country and extends more than 200 km (120 miles) inland. This region is where this deep fjord meets the glaciers and Norway’s highest mountains are considered one of the most beautiful travel destinations in the World.
The swimming championships were a series of races but the blue ribbon race where 30 competitors swan was 3.7 Km’s.
https://youtu.be/IbFJXUZVUYs