The fastest solo unsupported ascent-descent of Mount Kilimanjaro was completed in a time of 9:21.47, by Simon Mtuy (Tanzania) on 22 Feb 2006.

Mtuy started at the Umbwe entrance gate to Kilimanjaro National Park at 1,661 meters, ran up the Umbwe Route to Uhuru Peak at 5,895 meters and descended via the Mweka Route to the Mweka Gate.