Why Iron Is the 1 Performance Limiter Key Takeaway Iron is the oxygen carrier. Without adequate iron stores, your athletes are racing with a smaller engine than they built in training. 52% of female distance runners are iron deficient — and most of them don't know it because their doctors are using the wrong reference range. --- The Scale of the Problem Let's put numbers on this. In a typical high school cross country team of 30 athletes: - 15-16 girls on the team - 8 of...

Why Iron Is the 1 Performance Limiter Key Takeaway Iron is the oxygen carrier. Without adequate iron stores, your athletes are racing with a smaller engine than they built in training. 52% of female distance runners are iron deficient — and most of them don't know it because their doctors are using the wrong reference range. --- The Scale of the Problem Let's put numbers on this. In a typical high school cross country team of 30 athletes: - 15-16 girls on the team - 8 of...