Those people who say ‘never meet your heroes’ have clearly never run into Mary King, says Octavia Pollock, as she heads off on a horseback trail with the equestrian and Olympian.
To ride at liberty across an open landscape on a fit, willing horse is the dream of anyone who read pony books as a child and covered their walls with pictures of top riders. To ride across Dartmoor with one of those top riders is an unimagined delight, especially when they are as friendly as…