| Climber Name | # Ascents Recorded | Notes |
|---|---|---|
| Manuel Brunn | 3 |
References[1] https://squamishclimbingmagazine.ca/interview-manuel-brunn/ |
| Marc-André Leclerc | 3 |
References[1] https://vimeo.com/28252455 [2] https://www.climbing.com/people/profile-of-alpinist-marc-andre-leclerc/ |
| Mark Hudon | 3 |
References[1] https://archive.org/details/CLIMBTALK-Mark-Hudon-Peter-Arts-Andrew-Muse-11-08-2019 |
| Mark Sharrat | 3 | |
| Markus Windisch | 3 | |
| Martin Tekles | 3 | |
| Masanobu Suzuki | 3 | |
| Mathieu Miquel | 3 | |
| Matt Donnelly | 3 | |
| Mattias Braach-Maksvytis | 3 | |
| Matt Willis | 3 | |
| Mauro Calibani | 3 | |
| Megan Mascarenas | 3 | |
| Mei Kotake | 3 | |
| Michael Vaill | 3 |
Michael is most known for his quick ascents of big walls in Yosemite. |
| Michael Wohlleben | 3 | |
| Micky Rivera | 3 | |
| Mike Thompson | 3 |
Avon Gorge activist and soldier whose experiences with Gurkha troops during the Malayan emergency (1950s) and Himalayan mountaineering (1970s) lead to a career in anthropology. Author of 'Out with the boys again', which satirised the heavyweight 1975 British Everest expedition (of which he was a participant). References[1] Mike Thompson, 'Out with the boys again' in The Games Climbers Play, ed. Ken Wilson, (Diadem Books. London, 1978) pp.344-352. [2] https://nepalitimes.com/news/michael-thompson-89-7k0h5gsu [3] https://www.theguardian.com/science/2026/apr/23/michael-thompson-obituary |
| Mina Markovic | 3 | |
| Mirko Caballero | 3 |