article_snippet.sent: Sir Ranulph Fiennes has become the oldest Briton to complete the punishing Marathon des Sables with just 13 minutes to spare.
article_snippet.sent: Sir Ranulph Fiennes has become the oldest Briton to complete the Marathon des Sables in the desert .
article_snippet.sent: Sir Ranulph Fiennes has previously raised £6.3m for Marie Curie - in 2007 Sir Ranulph Fiennes climbed the Eiger mountain in the Bernese Alps by Sir Ranulph Fiennes infamous north face and in May 2009, at the age of 65, Sir Ranulph Fiennes became the oldest Briton to climb to the summit of Mount Everest.
highlights_snippet.sent: Sir Ranulph Fiennes is the oldest Briton to complete Marathon des Sables .
  