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Nimsdai Achievements

Climbing Beyond Possible

Nimsdai’s climbs, summits, &
legacy in motion.

Follow Nimsdai’s Latest Expeditions,
Summits & Achievements

Nirmal “Nimsdai” Purja is one of the world’s most accomplished high-altitude mountaineers, known for redefining what is possible on the planet’s highest peaks.

This page tracks his journey in real time; from the mountain he is currently climbing to the latest summits and the growing list of achievements that continue to shape his legacy.

Current Expedition

Mountain: Dhaulagiri
Project: Hattrick Project
Status: On expedition

Nimsdai is currently on an expedition, continuing his mission to push human limits at extreme altitude. He is currently on the worlds 7th highest mountain, climbing as part of Hattrick project.

This section will be updated with live progress, including summit attempts and key milestones on the mountain.

Nimsdai at Dhaulagiri basecamp on expedition 2026

Nimsdai Purja MBE
High altitude expedition leader

Limits exist only where belief ends. Go beyond possible.

Latest Achievement Update

On 29 September 2025, Nimsdai successfully summited Mt Manaslu, continuing to build one of the strongest high-altitude climbing records in history.

With this summit, his totals now stand at:

  • 52 total 8,000m summits
  • 24 8,000m summits without supplemental oxygen (the most achieved by any human).

Each climb represents precision, resilience, and elite performance in the most extreme environments on Earth

Career Achievements at a Glance

  • 52 total summits of 8,000m peaks
  • 24 summits of 8,000m peaks without supplemental oxygen
  • 9 ascents of Mount Everest (Three without the use of supplemental O2)
  • 4 ascents of K2
  • First winter ascent of K2 (2021)
  • First winter ascent of K2 (2021) without O2
  • 18 Guinness World Records
  • Fastest ascent of all 14 x 8,000m peaks — 6 months and 6 days

Nimsdai’s achievements are not just about speed - they represent consistency, leadership, and performance at the highest level of mountaineering.

8,000m Summit Timeline

2025

  • Manaslu – 25 September 2025
  • Gasherbrum I – 22 July 2025
  • Nanga Parbat – 3 July 2025
  • Kanchenjunga – 18 May 2025

2024

  • Shishapangma – 4 October 2024
    (Completion of the 8,000m true summits no-oxygen challeng

2022 – 2023

  • Everest (No O₂) – May 2022
  • Lhotse (No O₂) – May 2022
  • Kanchenjunga (No O₂) – May 2022

2021

  • K2 (Winter Ascent) – 16 January 2021
    (Historic first winter ascent, part of all-Nepali team)

2019

  • All 14 x 8,000m Peaks (Project Possible) – 29 October 2019
    (Completed in 6 months and 6 days / 189 days)

Climbing Without Limits

Climbing above 8,000 metres — the “death zone” — is one of the most extreme challenges on Earth.

Nimsdai has completed 24 ascents of 8,000m peaks without supplemental oxygen, placing him among the strongest climbers in the world.

Key No-Oxygen Achievements:

  • Fastest Everest–Lhotse double without oxygen – 26 hours
  • Fastest Everest–Lhotse–Kanchenjunga triple without oxygen – 8 days 23 hours
  • Fastest ascent of Everest, K2 and Kanchenjunga without oxygen – 75 days
  • Fastest ascent of Pakistan’s five 8,000m peaks without oxygen – 26 days

These climbs represent the highest level of physical and mental performance in mountaineering.

Historic Achievements

Project Possible (2019)

Completed all 14 of the world’s 8,000m peaks in just 189 days, redefining what was thought possible in mountaineering.

First Winter Ascent of K2 (2021)

Part of the historic Nepali team that completed the first winter ascent of K2 — one of the greatest milestones in climbing history.

Guinness World Records

Nimsdai holds 18 Guinness World Records, including speed records across multiple 8,000m peaks and combinations.

The first triple header of the 8,000ers without supplementary oxygen is 8 days, 23 hours and 11 minutes by Nirmal ‘Nims Purja’ who climbed Kanchenjunga at 10.50am on 7th May 2022, Everest at 9am on 15th May 2022 and Lhotse by 10.01am on 16th May 2022. 

The fastest to climb Everest and Lhotse without supplementary oxygen is 25 days 1 minute by Nirmal ‘Nims’ Purja between 9am on 15th May 2022 and 10.01am on 16th May 2022. 

The first person to climb to the top of Everest and make the crossing via the South Col (Camp four) to the top of Lhotse twice in one season is Nirmal ‘Nims’ Purja who completed the first transverse on 16th May and the second on 28th May 2022. 

The fastest to make true summit assents of the 8,000ers without supplementary oxygen is 2 years, 150 days by Nirmal ‘Nims’ Purja who completed the challenge between 7th May 2022 (Kanchenjunga) and 4th October 2024 (Shishapangma.) 

The most ascents of the world’s five highest mountains without the use of bottled oxygen is 9, by Nirmal ‘Nims’ Purja between climbing K2 on 16th January 2021 and Kanchenjunga on 18th May 2025.

The fastest to climb the three highest mountains without bottled oxygen is 75 days, 21 hours and 45 minutes by Nirmal ‘Nims’ Purja who reached the top of Kanchenjunga at 10.50am on the 7th May 2022, Everest at 9am on 15th May 2022 and K2 at 8.35am on 22nd July 2022. 

The most ascents to the true summits of the 14 mountains over 8,000m (26,246ft) is 49 by Nirmal ‘Nims’ Purja between 19th May 2016 (Everest) and 25th September 2025 (Manaslu.)

The fastest time to climb the Pakistan Five – the country’s five mountains over 8,000m (26,246ft) without the use of bottled oxygen is 26 days by Nirmal ‘Nims’ Purja who completed the challenge with his summit of K2 on 28th July 2023.

The fastest triple header of the higher 8,000ers is 2 days and 30 minutes by Nirmal ‘Nims’ Purja. Nims crossed from the top of Everest, the world’s highest mountain, to the top of Lhotse, the fourth highest mountain. From there he proceeded to Makalu’s peak, arriving on 24 May. 

The fastest double header of higher 8,000ers without the use of supplementary oxygen is 25 hours and 1 minute by Nirmal ‘Nims’ Purja on 15-16 May 2022. 

The fastest to climb the ‘Higher 8,000ers’ is 70 days by Nirmal ‘Nims’ Purja during the 2019 climbing season. He topped Kanchenjunga on 15 May, Everest and Lhotse on 22 May, Makalu on 24 May and K2 on 24 July.

The fastest climb of Everest and Lhotse without the use of supplementary oxygen is 25 hours and 1 minute by Nirmal ‘Nims’ Purja on 15-16 May 2022.

The fastest time to climb all mountains over 8,000m (26,246ft) is 189 days by Nirmal ‘Nims’ Purja between 23 April (Annapurna 1) and 29 October 2019 (Shishapangma.)

 Nirmal ‘Nims’ Purja made the first winter ascent of K2 without supplementary oxygen on 16 Jan 2021. Nims climbed with 9 other Sherpas setting the absolute record for the first winter ascent of K2 and the most winter ascents of K2 (and any other 8,000er) in one day. 

The fastest to climb the higher 8,000ers twice is 4 years 345 days by Nirmal ‘Nims’ Purja between Everest on 27 May 2017 and Kanchenjunga on 7 May 2022. Most of the climbs were made with supplementary oxygen. 

Nirmal ‘Nims’ Purja was part of the team of ten who made the first winter ascent of K2, the world’s second highest mountain, on 16 January 2021. This expedition also represents the most winter ascents of an 8,000er in one day. 

The first person to climb Everest and Lhotse twice in one season is Nirmal ‘Nims’ Purja between 15 May 2022 and 28 May 2022. The first double header was made without the use of supplementary oxygen. 

The first ascent made in winter of K2, the world’s second highest mountain (8,611m, 28,251ft)was achieved on 16 January 2021 when a total of 10 Nepalese climbers reached the top.

The first triple header of the 8,000ers without supplementary oxygen is 8 days, 23 hours and 11 minutes by Nirmal ‘Nims Purja’ who climbed Kanchenjunga at 10.50am on 7th May 2022, Everest at 9am on 15th May 2022 and Lhotse by 10.01am on 16th May 2022. 

The fastest to climb Everest and Lhotse without supplementary oxygen is 25 days 1 minute by Nirmal ‘Nims’ Purja between 9am on 15th May 2022 and 10.01am on 16th May 2022. 

The first person to climb to the top of Everest and make the crossing via the South Col (Camp four) to the top of Lhotse twice in one season is Nirmal ‘Nims’ Purja who completed the first transverse on 16th May and the second on 28th May 2022. 

The fastest to make true summit assents of the 8,000ers without supplementary oxygen is 2 years, 150 days by Nirmal ‘Nims’ Purja who completed the challenge between 7th May 2022 (Kanchenjunga) and 4th October 2024 (Shishapangma.) 

The most ascents of the world’s five highest mountains without the use of bottled oxygen is 9, by Nirmal ‘Nims’ Purja between climbing K2 on 16th January 2021 and Kanchenjunga on 18th May 2025.

The fastest to climb the three highest mountains without bottled oxygen is 75 days, 21 hours and 45 minutes by Nirmal ‘Nims’ Purja who reached the top of Kanchenjunga at 10.50am on the 7th May 2022, Everest at 9am on 15th May 2022 and K2 at 8.35am on 22nd July 2022. 

The most ascents to the true summits of the 14 mountains over 8,000m (26,246ft) is 49 by Nirmal ‘Nims’ Purja between 19th May 2016 (Everest) and 25th September 2025 (Manaslu.)

The fastest time to climb the Pakistan Five – the country’s five mountains over 8,000m (26,246ft) without the use of bottled oxygen is 26 days by Nirmal ‘Nims’ Purja who completed the challenge with his summit of K2 on 28th July 2023.

The fastest triple header of the higher 8,000ers is 2 days and 30 minutes by Nirmal ‘Nims’ Purja. Nims crossed from the top of Everest, the world’s highest mountain, to the top of Lhotse, the fourth highest mountain. From there he proceeded to Makalu’s peak, arriving on 24 May. 

The fastest double header of higher 8,000ers without the use of supplementary oxygen is 25 hours and 1 minute by Nirmal ‘Nims’ Purja on 15-16 May 2022. 

The fastest to climb the ‘Higher 8,000ers’ is 70 days by Nirmal ‘Nims’ Purja during the 2019 climbing season. He topped Kanchenjunga on 15 May, Everest and Lhotse on 22 May, Makalu on 24 May and K2 on 24 July.

The fastest climb of Everest and Lhotse without the use of supplementary oxygen is 25 hours and 1 minute by Nirmal ‘Nims’ Purja on 15-16 May 2022.

The fastest time to climb all mountains over 8,000m (26,246ft) is 189 days by Nirmal ‘Nims’ Purja between 23 April (Annapurna 1) and 29 October 2019 (Shishapangma.)

 Nirmal ‘Nims’ Purja made the first winter ascent of K2 without supplementary oxygen on 16 Jan 2021. Nims climbed with 9 other Sherpas setting the absolute record for the first winter ascent of K2 and the most winter ascents of K2 (and any other 8,000er) in one day. 

The fastest to climb the higher 8,000ers twice is 4 years 345 days by Nirmal ‘Nims’ Purja between Everest on 27 May 2017 and Kanchenjunga on 7 May 2022. Most of the climbs were made with supplementary oxygen. 

Nirmal ‘Nims’ Purja was part of the team of ten who made the first winter ascent of K2, the world’s second highest mountain, on 16 January 2021. This expedition also represents the most winter ascents of an 8,000er in one day. 

The first person to climb Everest and Lhotse twice in one season is Nirmal ‘Nims’ Purja between 15 May 2022 and 28 May 2022. The first double header was made without the use of supplementary oxygen. 

The first ascent made in winter of K2, the world’s second highest mountain (8,611m, 28,251ft)was achieved on 16 January 2021 when a total of 10 Nepalese climbers reached the top.

Reinhold Messner
Mountaineer, explorer & author

Nims has a great capacity for economic management, leadership, logistics organization, and obviously, exceptional physical resistance.

Beyond Possible -
the book

Beyond Possible: One Soldier, Fourteen Peaks - My Life In The Death Zone charts Nim’s incredible adventure as a UK Special Forces Operator, to a truly ground-breaking mountaineer, conquering the most deadly and hostile mountains on the planet.

Learn more

1:1 guiding, our
chosen approach

All Nimsdai guided expeditions are offered purely on an exclusive ‘one to one’ basis. Nims has chosen this very personal approach to ensure the highest feasible levels of safety, support and leadership on the mountain.

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