Early chapter-by-chapter access to my book on the science of athlete development

Heart rate variability (HRV), Endurance Coaching, Technology, Life, and other ramblings

Endurance Training & High Performance Habits

Physiologically Speaking is a publication dedicated to providing the latest science-based information on health and human performance.

Coach & Advisor to few | Ultraman Hawaii World Champion 🏊‍♂️ 🚴 🏃‍♂️ I write about proven concepts, systems, and habits for a sustainable & enjoyable life in family, sport & business 🫡

Cycling Performance Scientific Research

The newsletter for generalists.

Ph.D. Research in Cold Weather Operations for Norwegian Armed Forces. Former Airambulance Rescue Paramedic. Chief Research and Medical Team at Norseman Xtreme Triathlon.

Heart rate variability updates from HRV4Training