- Mario Villagran
- 67:205 year(s):day(s)
- Pakistan (Gilgit-Baltistan)
The oldest person to climb K2 (male) is Mario Villagran (Ecuador, b. 3 January 1956) who was 67 years and 205 days old, as verified in Gilgit-Baltistan, Pakistan, on 27 July 2023.
It was an ambition of his to be the oldest person to climb K2.