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AYLESBURY, ENGLAND - SEPTEMBER 25: Dame Sarah Storey joins Sophie, Countess of Wessex on the last day of her Diamond Challenge cycle ride on September 25, 2016 near Aylesbury, England. The Countess of Wessex is cycling 445 miles from the Palace of Holyroodhouse, Edinburgh to Buckingham Palace, London over seven days as her 'Diamond Challenge' - a special initiative marking the 60th anniversary of the Duke of Edinburgh's Award. (Photo by Eamonn M. McCormack/Getty Images)

AYLESBURY, ENGLAND - SEPTEMBER 25:  Dame Sarah Storey joins Sophie, Countess of Wessex on the last day of her Diamond Challenge cycle ride on September 25, 2016 near Aylesbury, England. The Countess of Wessex is cycling 445 miles from the Palace of Holyroodhouse, Edinburgh to Buckingham Palace, London over seven days as her 'Diamond Challenge' - a special initiative marking the 60th anniversary of the Duke of Edinburgh's Award.  (Photo by Eamonn M. McCormack/Getty Images)