People are sharing London’s best ‘mega walks’ to try this weekend

Warning: you’ll likely end up with sore feet (Picture: Getty Images)Why run a marathon when you can walk it? That’s the thinking behind the rise of London’s ‘mega walks’ – long treks across the capital that take you through parks, past canals and multiple boroughs. Of course, you don’t have to commit to walking a full marathon (although some do). Even a half-day wander can get you out of the house and show you parts of London you’d never norm