Why stop at 30 minutes? The best mega walks in London

Warning: you’ll likely end up with sore feet (Picture: Getty Images)

Why run a marathon when you can walk it?

At least, that’s the ethos behind the rise of London’s ‘mega walks.’ The trend is seeing ramblers take to the capital’s streets, parks, past canals and through leafy boroughs, all in the name of upping their step count.

Though so...