performance-metricsproduct-update
How EndurexAI counts your training load
A recent change to the cl, al, and form calculation closes three gaps where training load was being ignored or double-counted.
Dr. Sebastian Reinhard Blog
Training insights, coaching tips, and endurance sport science.
Dr. Sebastian Reinhard 
training-scienceendurance
Energy provision: An Anatomical Guide to How Your Body Fuels Exercise
Your muscles need ATP to contract, but where does it come from? A deep dive into the three energy systems, phosphocreatine, glycolysis, and oxidative phosphorylation, and what they mean for your training.
Dr. Sebastian Reinhard 
getting-startedtraining-plansbeginners
Building Your First Training Plan on EndurexAI
A step-by-step guide to creating your first structured training plan on the EndurexAI platform, from setting your baseline fitness to interpreting your first week of training data.
Dr. Sebastian Reinhard 
getting-started
Getting Started with Strava Integration
Connect your Strava account to EndurexAI and unlock a deeper understanding of your training, from automated activity sync to real-time fitness tracking.
Dr. Sebastian Reinhard 
strength-traininginjury-preventiontraining-science
Strength Training for Endurance Athletes
Why structured strength work improves endurance performance, how to program it alongside aerobic training, and how to track progressive overload without compromising your key sessions.
Sarah Karollus 
training-sciencecoaching
How AI is Transforming Endurance Coaching
From adaptive periodization to real-time physiological modeling, artificial intelligence is reshaping how endurance athletes train, recover, and perform. We examine the science behind the shift.
Dr. Sebastian Reinhard 
training-scienceperformance-metricscoaching
5 Training Mistakes Your Data Will Catch Before You Do
Your training log knows things you don't. Here are five common mistakes that show up in the numbers long before they show up in your legs.
Sarah Karollus 
training-zonestraining-science
Heart Rate Zones vs Power Zones Explained
Two systems for measuring intensity, each with distinct strengths. Learn when to use heart rate, when to use power, and how EndurexAI integrates both.
Dr. Sebastian Reinhard 
race-dayperiodizationperformance-metrics
Race Day Readiness: Using Form to Peak Perfectly
How Training Stress Balance guides your taper so you arrive at the start line fresh, fit, and ready to perform.
Sarah Karollus