How To And Why You Should Perform A Running Warm Up Before I talk to you about running warm ups I want to tell you a quick story. James (my boyfriend) beat me in a hill sprint a few weekends ago. Every Saturday we do hill sprints together. It’s fun, we get competitive and it’s a hard session. I usually win (because I’m a sprinter) which is added fun for me – I am super competitive.  However, last weekend he…