A community-organized collection of running articles around Advanced Training & Performance Science.
Every runner eventually encounters a workout that feels like a puzzle: challenging enough to demand focus, but not so brutal that you’re gasping for air...
If you’ve ever finished a run feeling completely wrecked when you were supposed to go “easy,” or wondered why your tempo workouts all blur together, heart...
Rate of perceived exertion is a 1-10 effort scale that lets runners guide training by feel instead of obsessing over pace, gadgets, or heart rate. Rather...
Most runners spend too much time in the uncomfortable middle ground—running too hard to recover properly, but not hard enough to trigger meaningful...
Your lactate threshold represents the fastest pace you can sustain for approximately 45–60 minutes before your legs start burning and your breathing...
Whether you’re training for your first 5K or chasing a marathon personal best, understanding running cadence can transform your running life. This...
VO2 max has become one of those fitness metrics that shows up on smartwatches and in running forums, often without much explanation of what it actually...
Running economy describes how efficiently your body uses oxygen at a given pace. Physiologists measure it as the oxygen uptake required to maintain a...
Running strides are short, fast, relaxed accelerations that you add to otherwise easy training days. They typically last 15–35 seconds or cover 60–150...
Every year, thousands of distance runners travel to places like Flagstaff, Iten, and Boulder to train in thin mountain air. Altitude training—living and...
Modern Garmin watches have transformed what runners can learn about their form during every workout. Beyond pace and heart rate, devices like the...
