Anatoli Nikolaevich Boukreev was a Soviet and Kazakh mountaineer who made ascents of 10 of the 14 eight-thousander peaks—those above 8,000 m (26,247 ft)—without supplemental oxygen. From 1989 through 1997, he made 18 successful ascents of peaks above 8,000 m.
Alan Hinkes OBE is an English Himalayan high-altitude mountaineer from Northallerton in North Yorkshire. He is the first British mountaineer to claim all 14 Himalayan eight-thousanders, which he did on 30 May 2005.
Juan Eusebio Oiarzabal Urteaga, commonly known as Juanito Oiarzabal, is a noted Spanish Basque mountaineer. He has written four books on the subject. He was the 6th man to reach all 14 eight-thousander summits, and the third to do so without supplemental oxygen. He was the first person to conquer the top three summits twice and the oldest climber to summit Kangchenjunga, at almost 53, until Carlos Fontan did so in 2014, at 75 years old. In 2004, he lost all his toes to frostbite after summiting K2.
Ali Nasuh Mahruki is a professional mountain climber, writer, photographer and documentary film producer. He climbed to the summit of Mount Everest and was the first ever Turkish person to climb the Seven Summits.
Benoît Chamoux was a French Alpinist, who claimed to have summited 13 of the Eight-thousanders in the Himalayas.
Nives Meroi is an Italian mountaineer and a climbing writer. On 11 May 2017 she completed the ascent of all 14 eight-thousanders using the alpine style of climbing and without supplementary oxygen.
Andrew James Lock OAM is an Australian mountaineer. He became the first, and still remains the only, Australian to climb all 14 "eight-thousanders" on 2 October 2009, and is the 18th person to ever complete this feat. He climbed 13 of the 14 without bottled oxygen, only using it on Mount Everest, which he has summited three times. He retired from eight-thousander climbing in 2012.
Michael Dacher was a German mountain climber. In 1979 he and Reinhold Messner climbed the K2 in record time and without oxygen equipment.
Anna Czerwińska was a Polish climber. She is known for being the then-oldest woman to summit Mount Everest, doing so at the age of 50. She also published several books about mountaineering.
Iván Vallejo is a high-altitude mountaineer from Ecuador. On 1 May 2008, he became the 14th person to reach the summit of all 14 mountains above 8,000 meters, and the 7th without use of supplemental oxygen. He is the first, and still the only, Southern Hemisphere climber to complete all 14 eight-thousanders, without supplemental oxygen.
Horia Colibășanu is a Romanian climber. He is the first Romanian to have climbed K2, Manaslu, Dhaulagiri, Annapurna, and Kangchenjunga. He climbed ten of the most difficult peaks in the world, above 8,000 m. In 2009 Horia received the “Spirit of Mountaineering” award for his role in the rescue operation of Iñaki Ochoa de Olza.
Arjun Vajpai is an Indian mountaineer, who became the world's youngest mountaineer to summit six peaks over 8,000 meters in the year 2018.
Òscar Cadiach i Puig is a Spanish mountaineer. He has climbed all the 14 eight-thousanders.
Nirmal Purja is a Nepal-born naturalised British mountaineer. Prior to taking on a career in mountaineering, he served in the British Army with the Brigade of Gurkhas followed by the Special Boat Service (SBS), the special forces unit of the Royal Navy. Purja is notable for having climbed all 14 eight-thousanders in a time of six months and six days with the aid of bottled oxygen. This was a record at the time of climbing, although it was broken in 2023 by Kristin Harila and Tenjen Sherpa, who summitted all 14 eight-thousanders in 92 days. Purja was the first person to reach the summits of Mount Everest, Lhotse and Makalu within 48 hours. In 2021, Purja, along with a team of nine other Nepalese climbers, completed the first winter ascent of K2.
Shehroze Kashif is a Pakistani mountaineer who became the youngest climber in the world to summit K2 on 27 July 2021. He became the youngest Pakistani to summit Mount Everest on 11 May 2021. After the successful summit of Mount Everest, Sports Board Punjab made him the youth ambassador of Punjab, Pakistan. He summited Broad Peak at the age of 17, after which he was called 'The Broad Boy'.
Josef "Rak" Rakoncaj is a Czech mountaineer, mountaineering coach, author of books on mountaineering and also an entrepreneur in the field of special clothing and equipment for trekking and mountaineering expeditions.
Kristin Harila is a Norwegian mountaineer and former cross-country skier. During 2022–2023, she set multiple speed records for the ascent of all 14 eight-thousanders, which are the peaks in the world that are over 8,000 metres in elevation.
Dawa Ongju Sherpa- Nepali: दावा ओङ्जु शेर्पा is a Nepalese Sherpa mountaineer. He has climbed 13 of the 14 highest peaks in the world.
