Photograph: Andrew Milligan/PA

Photos from the Tough Mudder Extreme Endurance Challenge 2012:

A 12-mile obstacle course designed by special forces to test fitness, stamina and mental strength. Over 5,000 participants take part throughout a weekend, with 100,000 gallons of mud.

Photograph: Euan Baxter

Fresh snow this month in Scotland’s Cairngorm mountains means snowboarding season is on!