What is the most important "data" you have to have.
With all the gizmos and gadgets we have access to today, is it just noise or does it help. From heat rate monitors, to pace trackers, to distance tracking , to recovery time protocol, to sleep tracking, to vO2 Max, .... this list goes on and on, I am sure you get it so I will spare you. HOWEVER... For today's TECH TUESDAY question. We wanted to know what DATA do you actually use and how has it helped you in your current training programs ?