Ethan Caldwell

Your resting heart rate is one of the most revealing metrics for endurance athletes. After tracking my own RHR through three Ironman training cycles, I have seen how this simple number reflects everything from fitness gains to overtraining warnings. Learning how to lower your resting heart rate through proven methods can transform your training and … Read more

Heart rate zones explained for athletes form the foundation of every effective triathlon training program. Whether you are preparing for your first sprint distance event or aiming for a Kona qualification, understanding how to train within specific heart rate zones transforms random workouts into purposeful, physiology-driven sessions that deliver measurable results. After coaching hundreds of … Read more

A tempo run is a sustained, comfortably hard effort that trains your body to clear lactate while running at a challenging pace. It is the single most effective workout for building endurance and speed simultaneously, making it essential for anyone training for races from 5K to marathon and beyond. Our coaching team has used tempo … Read more

Functional Threshold Power, or FTP, is the single most important number for any cyclist or triathlete who wants to ride faster and longer. It represents the highest power output you can sustain for approximately one hour, and it serves as the foundation for all structured training. If you have ever wondered how to improve cycling … Read more

Threshold training has a deceptive reputation. The pace feels manageable when you read about it. Yet the first time I held my threshold effort for 20 minutes, I questioned every life choice that led me to that moment. The discomfort is real. So are the results. Our team has coached hundreds of triathletes through threshold … Read more

Interval training transformed my performance during my first triathlon season. I went from struggling to finish a sprint distance to confidently tackling Olympic races, all because I learned how to structure high-intensity sessions properly. What is interval training? Interval training is a workout method that alternates between periods of high-intensity effort and periods of lower-intensity … Read more

I remember standing at the starting line of my first half-Ironman, heart pounding, wondering if I had done enough. Six months of training had led to this moment. But had I trained smart, or just trained hard? That question haunted me until I discovered periodization in triathlon training. Periodization is the secret weapon that separates … Read more

Time is the one resource we cannot create more of. Between early morning pool sessions, long weekend rides, and trying to maintain some semblance of a personal life, fitting in quality training often feels impossible. I have spent the last 15 years coaching triathletes, and the number one complaint I hear is not about motivation … Read more

You are three miles into a half marathon. Your legs feel fresh. Your breathing is controlled. You watch runners who passed you at mile one start to slow down and struggle. You smile and maintain your pace. At mile 10, you start passing them back. You cross the finish line with energy to spare and … Read more

If you have ever wondered what is a tempo run and why experienced runners keep talking about them, you are not alone. I spent years running easy miles and wondering why my race times were not improving until a coach introduced me to threshold training. That single change transformed my performance, taking my half marathon … Read more