Nikki Wright and BBC presenter Lindsay Cannon tackle Britain's hardest 24-hour mountain bike race, the Strathpuffer.

Covering the inaugural Highlander Mountain Marathon, extreme telemark skiing in the Alps, the royal mountain of Lochnagar, and osprey in the Cairngorms.

The Adventure Show takes to the stunning white water of the River Tay, near Aberfeldy, for the Grandtully Premier where over 200 top class paddlers test their skill.

Series looking at outdoor and extreme sports. This episode features hardcore surfing Thurso on Scotland's northern coast.

Outdoor and extreme sports. This programme focuses on the Fort William Mountain Bike World Championships, and takes to the hills with walker Cameron McNeish.

Coverage of the world’s toughest race, with nearly 400 men and women running up and down Britain’s highest mountain in under four hours.

Dougie Vipond and Duncan McCallum go to the Lowther Hills for the Original Mountain Marathon. Over two days contenders run two marathons.

Extreme sports magazine. Dougie joins nearly 500 competitors north of Inverness for Britain's hardest mountain bike race: the Strathpuffer 24 hour marathon.

In the heart of the Alps, a team of Scottish hopefuls are taking on the best in Europe in the ice climbing world cup in Saas-Fee.