11:05The Man Who Cycled the Americas - Mark's DiaryEpisode 1BBC Radio Scotland Duration: 25 minutes Wed 24th Mar 2010, 11:05 on BBC Radio ShetlandWith snow, wind, ice and altitude all taking their toll, the certainty of Mark Beaumont reaching the summit of Denali, North America's highest peak, was far from assured.GenresFactualTravelEntertainmentSeriesThe Man Who Cycled the Americas - Mark's Diary Source: BBC Online