Running Tips Pre-Run Warm-Up A pre-run warm-up is an important routine that helps prepare your body for the physical demands of running. It increases your heart rate, circulation, and body temperature, loosens up your muscles, and improves your range of motion. Here’s a sample warm-up routine you can follow before your run: 2. Dynamic stretches: Perform dynamic stretches that target the major muscle groups used in running. Dynamic stretches involve moving parts of your body through a full range