The unofficial 'Triple Crown' is the three races on the West Highland Way ...
The Highland Fling - 53miles from Milngavie to Tyndrum in April
West Highland Way Race - 95miles from Milngavie to Fort William in June
The Devil o' the Highlands Footrace - 42miles from Tyndrum to Fort William in August
The triple crown is for those who complete all three races in one calendar year.
60 people have now completed it at least once
Spreadsheet with all Triple Crown completions from 2007 to 2012