In the middle of winter, with 17 hours of darkness, 500 competitors head north of Inverness for one of the world's toughest mountain bike races - the Strathpuffer 24 hour marathon. Show more
Discover 11,128,835 listings and 279,901 playable programmes from the BBC
In the middle of winter, with 17 hours of darkness, 500 competitors head north of Inverness for one of the world's toughest mountain bike races - the Strathpuffer 24 hour marathon. Show more