Energy System TrainingTraining for the specific requirements for your sport's distance and intensity is referred to as tertiary training; it is important in the later stages of running development. Track is primarily an anaerobic sport. Training consists of repeated bouts of high-intensity efforts with plenty of rest in between. But there more to come. This article coverage of the information is as complete as it can be today. But you should always leave open the possibility that future research could uncover new facts.. To beat the heat, we often go running early in the morning or late in the evening. But before you start logging miles at dawn and/or dusk, you need to lighten up a little bit first: High visibility and reflective apparel is absolutely necessary for staying safe (and seen) on the road. And while poster board pink, highlighter yellow and day-glow orange may not be our favorite colors in the world, we do think there are some pretty sweet, stay-safe options out there these days.