Dr. Seiler’s 12 Training Truths for Endurance Development

After 30 years of studying exercise endurance training, Dr. Seiler distills it all into 12 fundamental practices.

Dr. Seiler 12 Endurance Training Truths
Photo: Dr. Stephen Seiler

After 30 years of studying exercise endurance training, Dr. Seiler distills it all into 12 fundamental practices.