for your gait or worn out.” A pair of serious running shoes should last 400-700 miles. After that, they need to be replaced. Check for obvious creases in the midsole, which indicate over-compression, and stand the shoe on a flat surface and look at it from

is a healthy body. Avoid injuries and you avoid the long layoffs that often put an early end to your running career. Smart footwear choices are part of the equation but so is the surface you run on. If you can log more miles off the road than on it, you

to long-distance running in children is their propensity to overheat or cool down too quickly. This is because of something called thermoregulation. Children are more prone to heat stress than adults. They have a greater body surface area to body mass