Q I used to train on grass and gravel, but since Ive started running on the edge of the road Ive noticed that the knee closest to the road as I run becomes sore. I can run through it, but afterwards Im left with a dull ache in the knee, which
surfaces, but keep in mind that most are cambered so that water will run off the centre of the road. As you run down the road against traffic, the slant causes your left foot to pronate (roll inwards) and your right foot to supinate (roll outwards). So map
