Geography of Russia , the Russian border is the world's longest. Along the 20,139-kilometer land frontier, Russia has boundaries with 14 countries: Norway, Finland, Estonia, Latvia, Lithuania, Poland (via the Kaliningrad Oblast), Belarus, Ukraine, Georgia, Azerbaijan, Kazakhstan, Mongolia, the People's Republic of China and North Korea. Approximately two-thirds of the frontier is bounded by seawater. Virtually all of the lengthy northern coast is well above the Arctic Circle; except for the port of Murmansk—which receives currents that are somewhat warmer than would be expected at that latitude, due to the effects of the Gulf Stream—that coast is locked in ice much of the
The Arctic Challenge and has been integrated into the TTR World Snowboard Tour at the 5Star level. Oslo is south of the Arctic Circle, and is thus not in the arctic. Due to its great success last season it has moved to the TTR 6Star level, the highest status an event can hold on the World Tour, giving out 1000 TTR ranking points to the winner and $100,000 in total prize money. It is now the only 6Star rated event owned by a professional rider. At the Arctic Challenge 2007, the organizer and snowboard legend, Terje Håkonsen broke the highest air record in