For the rest of the world, however, "the image of the running fanatic has put a lot of people off running," claims Eakins. "This campaign wants to remind runners to enjoy the sport at a pace that's right for them ? a comfortable pace that Reebok calls 'Running at the speed of chat.' It's all relative, depending on your level. There's some evidence that suggests an easier run is better for us than a hard run. According to Runner's World Magazine, if you?re running too fast to talk, then you?re not in your optimum fat-burning zone." Speaking of fat burning, there's also an all-type transit series of "Run Easy" ads, one of which features the pointed line, "What are you just doing?"