Jack goes for a ride with Dr Ian Walker, an environmental psychologist from the University of Bath and long-distance bike racer. Ian found global fame about fifteen years ago with an experiment he did to measure how close he was passed by overtaking cars, depending on what he was wearing.

Ian is also an accomplished bike rider, specialising in ultra long distance racing. He was a high placed finisher in the Transcontinental Race, he won the North Cape 4000 and last year set a new world record for riding across Europe in a north south direction.

The ride takes Ian and Jack from Abergavenny up the Usk valley and after a a climb via Pengenffordd into the Wye valley, returning via Cockitt Hill.

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