Vertical running is a unique urban sport where athletes race up the stairs of tall buildings or landmark towers - we meet a top Japanese runner who has recently been pushing himself to extremes.
See what else you can watch on this channel…
Murder Under The Friday Night Lights
Entertainment | PG 15
Gold Divers
Entertainment | PG
Death By Fame
Helicopter ER
While You Were Out
Tanked
The Adventures of Paddington
Entertainment | FAM
Teenage Mutant Ninja Turtles
Body Invaders
Little People, Big World
Deer Squad
Left at the Altar
Doubling Down With The Derricos
The Fairly OddParents
SpongeBob SquarePants
Blaze and the Monster Machines
Match Me Abroad
Celebrity Game Face