First stage: April-May, 2002 (Salekhard - Pevek) >>>
Second stage: April-May, 2004 (Salekhard - Severnaya Zemlya Arch. - Dikson); April–May, 2005 (Vorkuta - Yamal - Diksn - Novy Urengoi); April-May, 2007 (Ukhta - Pechora - Barents Sea - Vaigach Isl. - Vorkuta) >>>
Third stage: February-June, 2011 (Salekhard - Dikson - Severnaya Zemlya Arch. - North Pole - Canada) >>>
Fourth stage: 2014 (Canada - Alaska - Bering Strait - Uelen - Pevek) >>>
