Previous editions of Mountain Biking UK magazine's VooDoo Challenge have seen Rob Jarman race through the Atlas Mountains to Marrakech and take on a commuting bike on the streets of Bristol. Part four pits former World Cup downhill racer Jonny Cheetham against expert fell runner Ricky Lightfoot at Whinlatter in the Lake District.
Jonny had his work cut out against the agile Lightfoot, who has an appropriate name given the speed at which he eats up terrain. He's been a fell runner for a decade and is a member of the Salomon Trail Team, who were crowned world team champions at the Orobie SkyRaid in 2010.
Check out the video below to see how the challenge went. You can read the full story in issue 264 of Mountain Biking UK magazine, out now. To subscribe, click here.
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About the VooDoo Challenge
A different challenge awaits VooDoo Cycles each month. Some of them will have a bit of culture and exploring, others a definite man vs the elements feel, and others will just be downright bonkers. You'll be able to follow the series in MBUK and here on BikeRadar. Next month, they head to Moab, USA, to take on the motor-based might of 4x4's on the famous Slickrock trail.