Ranulph Fiennes
In June 2005, Fiennes had to abandon an attempt to be the oldest Briton to climb Mount Everest when, in another climb for charity, he was forced to turn back as a result of heart problems, after reaching the final stopping point of the ascent. In March 2007, despite a lifelong fear of heights, Fiennes climbed the Eiger by its North Face, with sponsorship totalling £1.8 million to be paid to the Marie Curie Cancer Care Delivering Choice Programme.
In 2008, Fiennes made his second attempt to climb Mount Everest, getting to within 400 metres of the summit before bad timing and bad weather stopped the expedition. On 20 May 2009, Fiennes reached the summit of Mount Everest, becoming the oldest British person to achieve this. Fiennes also became the first person ever to have climbed Everest and crossed both polar ice-caps. Of the other handful of adventurers who had visited both poles, only four had successfully crossed both polar icecaps: Norwegian Børge Ousland, Belgian Alain Hubert and Fiennes. Fiennes, in successfully reaching the summit of Everest in 2009, therefore definitely became the first person ever to achieve all three goals. Ousland wrote to congratulate him. Fiennes continues to compete in UK-based endurance events and has seen recent success in the veteran categories of some Mountain Marathon races. His training nowadays consists of regular two-hour runs around Exmoor.
Toshio Yamamoto (mountaineer)
Toshio broke the record during a period of intense competition for oldest summiter, taking the record from Lev Sariskov who had summited Everest in 1999 at the age of 61. By the time Toshio made his summit in 2000, over 800 had summited and 180 had died since 1953, according to the Washington Post. The record was broken almost every year during this period, Toshio surpassing Lev Sariskov from the previous year and Sherman Bull in turn breaking Toshio's record the next year and this record was broken several more times in the following decade. By 2013 the record was set at 80, by Yuichiro Miura who had also set a record of 70 in 2003 and was the first person known to ski down Everest in 1970, as documented in the film "The Man Who Skied Down Everest".