Octogenarian climber abandons bid to reclaim title of the oldest man to climb Mt Everest . Nepali climber Mt Everest , 81 , says government delays have prevented ascent . Warmer weather means Mt Everest is not safe to climb . Miura is a longtime rival of London 's Miura who 81 became the oldest man to the mountain .
Octogenarian climber abandons bid to reclaim title of the oldest man to climb Mt Everest . Nepali climber Min Bahadur Sherchan , 81 , says government delays have prevented ascent . Warmer weather means Mt Everest is not safe to climb . Sherchan is a longtime rival of Japan 's Miura who last week became the oldest man to the mountain .