Science
Science-based articles on endurance coaching, performance metrics, and data-driven coaching principles.
Triathlon Training Load with ECOs: How to Track Swim, Bike, and Run
Learn how ECOs measures triathlon training load across swim, bike, and run, how bricks and races score, and what athletes log weekly.
Fartlek Training for Running: How to Program Effort-Based Speed Work
Learn what defines the fartlek training running session, how much structure to prescribe, and where it fits in the week.
Running Speed Training: How to Develop Speed as a Trainable Quality
Running speed training builds speed as a trainable quality. Learn the three speed types and which workout fits each athlete.
Carb Loading for Training, Not Just Race Day
Carb loading for training isn’t just a race-week ritual. Learn to fuel key sessions, time carbs right, and cut GI issues with simple swaps.
Running Periodization: The Structural Decisions Behind an Effective Training Plan
Running periodization is more than base, build, peak, taper. Learn the four structural decisions that make a running plan work.
Training Zones Explained: What the Science Defines and How Coaches Apply It
Training zones explained for endurance coaches: what the science defines and the four anchors behind every zone.