How to Polarize Your Training

World Athletics has data going back now a good 20 years on all of the different events. Now we have intrepid data types that can go in, even though they're not part of World Athletics or IAAF. For both beginners and veterans, polarized training is the best way to get fast and stay fast year after year. In our new guide featuring Dr. Steven Siler, explore fascinating and helpful topics like how polarized training is different from sweet spot.