Multi-day adventure races are usually 36-48+ hours in duration, with added complexities of route choices and sleep deprivation. Competitors will be required to use advanced navigation, orienteering skills and rope work, combined with prolonged periods of time in the saddle and on their feet.
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How to make running fun!
The ultra and endurance issue - walks, runs, rides, open water swimming and more.
The summer's best rides - and a feature on Global Cycle to Work Day on May 10th.
Challenges and events for all activities as the month starts with a Bank Holiday weekend.
Want a part of that London Marathon feeling? Then take your pick from these top 2016 running events.