Hill walking challenges cover the length and breadth of the UK, with Ben Nevis and Snowdon - the highest mountains in Scotland and Wales respectively - the most popular, along with a selection of Lake District peaks.
Given clear weather, your efforts will be rewarded with spectacular views, and it's also a sociable and shared experience as you'll be walking with others - while being guided by qualified and knowledgeable experts.
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Details of skiing, snowboarding and other winter trips available late this year and into 2017.
Get in early and sign up now for these special runs, walks and rides in the UK next year. (London Marathon ballot announced this week)
See the world's most iconic cities - by foot or by bike.
Spooky challenges and events for all + night-time runs and walks.
How to run, ride and walk faster and further - and challenges and events in which to prove it.