Folkhälsan Swimrun Solvalla (formerly just Solvalla Swimrun) is Finland's biggest swimrun event. Besides the 39 km ÖTILLÖ Merit Race there are two popular shorter races. The events are hosted in the pristine forest of Noux National Park outside Finland's capital city Helsinki. Photo: Folkhälsan Swimrun.
Official site: https://solvallaswimrun.com/