A 15-member Czech mountaineering expedition had recently died in an earthquake in the Andes in Peru. Since many of the members of the expedition had previously participated in the Jizerská 50, in subsequent years the race was called Peru 1970 Expedition Memorial Race (Memoriál expedice Peru 1970) in their honor. Since 1999 the Jizerská 50 has been part of the Worldloppet series of long-distance cross-country skiing events. The main event is classic style and draws top skiers from around the world as well as amateurs. The race now starts at the ski stadium in Bedřichov.