The Fight Or Flight Warmup is the exact Sets, Reps, And Exercises Athletes need to Instantly run faster! We've had Athletes run 3-4 tenths faster as soon as they try the Warmup for the first time. The Fight Or Flight Warmup comes with a downloadable PDF that you will INSTANTLY receive upon Checkout. We also include a video series so you can watch one of our Speed Coaches show you exactly how each exercise should be performed!