ˈdau̇(ə)rˌlau̇f noun
( plural dauerlaufs -fs ; or dauer·läu·fe -lȯifə)
Etymology: German, from dauer- long-lasting (from dauern to last, from Middle High German dūren, tūren, from Middle Low German dūren, from Latin durare ) + lauf race, run, running, from Old High German louf — more at dure , leap
: a long-distance cross-country ski race of approximately 35 miles — compare langlauf