The most straightforward way to increase your physical endurance is to simply go out there and run, as often as you can and for as long as you can. This will improve your lung capacity ...
as you will cover the mile more quickly as you improve. Another key element of fitness for running fast 5Ks is to build your endurance, or the ability to cover long distances efficiently.
Whether training with resistance bands, hitting the trails for a long run, or lifting weights, better endurance helps you work out for longer durations and achieve your goals quicker. To help you on ...