6 motivational training tips all runners should start using today, Train hard at home: 5 indoor workouts to get your blood pumping, [Infographic] 7 great marathons from around the world. Our marathon calculator will give you your estimated running time. To find it out, simply follow the steps below: Choose the type of race you will participate in. How Many Calories Do You Burn Walking Per Mile? References: Content is reviewed before publication and upon substantial updates. var TGSort=window.TGSort||function(n){"use strict";function r(n){return n?n.length:0}function t(n,t,e,o=0){for(e=r(n);o