Speaking from experience, when you go for a run and someone considerably older—who's slow running and doesn’t look like they’ve put much time into their fitness—passes you without appearing to make a significant effort, it’s a confronting moment. Talking about the power of slow running—the fashionable phrase is sexy pace—with two people who really know about the sport, though, has totally changed the way I feel about my pace. There’s a place for slow running in an elite athlete’s training plan because slow running is where you build your foundations.”