Denis Urubko

Denis Urubko (Russian: Дени́с Ви́кторович Уру́бко; 29 July 1973 in Nevinnomyssk, RSFSR) is a Russian mountaineer. In 2009, as a citizen of Kazakhstan he became the 15th person to climb all 14 eight-thousanders and the 8th person to achieve the feat without the use of supplementary oxygen. He had Soviet citizenship, after the dissolution of the Soviet Union received a citizen of Kazakhstan, which renounced in 2012. In 2013, he received Russian citizenship, and February 12, 2015 received Polish citizenship.
In 2006, he won the Elbrus Speed Climbing competition which he did by setting a new speed record, climbing from Azau station to the summit in 3 hours, 55 minutes and 58 seconds (record beaten in 2010 by Andrzej Bargiel). This climb represents a vertical rise of almost 3,250 metres or more than 10,600 feet and thus a speed of more than 800 vertical metres (2,600 vertical feet) an hour. He summited almost 40 minutes ahead of the next finisher. He has also won the Khan Tengri Mountain Festival when he speed climbed the mountain from Base Camp at 4,200 metres to the summit at 7,010 metres and then back to Base Camp in 12 hours and 21 minutes, winning by over 3 hours.
He has climbed two 8,000 metre peaks in winter. Makalu in 2009 together with Simone Moro and Gasherbrum II in 2011 together with Cory Richards and again Simone Moro. He has also opened new routes on Cho Oyu, Manaslu and Broad Peak. All together he has 19 ascents of 8,000 metre peaks. He is also a "Snow Leopard" having summited the five 7,000 metre peaks of the former USSR in only 42 days in 1999. He climbs without additional oxygen.