James & Anna speak to Team GB sport climber Molly Thompson-Smith, try their hand at bouldering, and race each other to the top of a wall.



Thanks to HarroWall Climbing Centre and Team GB for their assistance in making this show.



This episode was presented by Anna Ptaszynski and James Harkin 

Contributions from Molly Thompson-Smith, Jonathan Stone and Michelle Martin

Produced by Molly Windust and James Harkin

Sound recording and outdoor editing by Adrian Bradley

Studio editing by James Harkin

Graphic design and sound design by Alex Bell

Sound engineering by Leying Lee

Production Assistance by Natascha McQueen and Tara Dorrell 



And for more sporting stories and curiosities, James and Anna's book, A Load of Old Balls is out now.



This was a QI Ltd Production.