SCIENCE TALK: Should you vary the running surfaces

Are you running always the same routes and the same type of surface? When you prepare for the road race, it crucial to run road and get comfortable that harsh and hard surface. The impact for the leg is one of the hardest when running in the road, so you need to get used to it otherwise you will struggle. But you still should vary surfaces sometimes, why? Continue reading ”SCIENCE TALK: Should you vary the running surfaces”