Wisker is put through his paces at The Westway climbing wall in London, by Junior GB team members Buster Martin and Molly Thompson-Smith - who were both impressed with his efforts.
The programme goes out at 6pm today (May 18) and is repeated at 9am the following Sunday. It will also be on BBC iPlayer.
As previously reported, Mick Fowler and Victor Saunders successfully completed a first ascent on Sersank (c6,050m) in... Read more
Adam Ondra didn't waste much time in the Yosemite valley before he jumped on the Dawn wall and began putting up a fixed line. I... Read more
Jorg Verhoeven and Katha Saurwein continue in their mission to tick Australia's bucket list climbs, visiting the Grampians... Read more
London-based 17 year-old Molly Thompson-Smith has dominated the British competition climbing circuit over the last few years, at... Read more
Top British climbers James McHaffie and Shauna Coxsey featured on this month's BBC Radio 5 live extreme sports show... Read more