The K2 is an American television series.
On 27 July 2014, Garrett Madison led a team of three American climbers and six Sherpas to summit K2
2018On 22 July 2018, Garrett Madison became the first American climber to reach the summit of K2 more than once when he led an international team of eight climbers, nine Nepali Sherpas, four Pakistani high altitude porters, and two other Madison Mountaineering guides to the summit

