Notes on endurance training from the team building race.fit.
Most half-ironman plans are templates with a name on them. Here is the framework underneath the templates: block structure, weekly shape, key sessions, and how to adapt when life happens.
Zone 2 is the conversational-pace work most amateurs skip in favor of feeling fast. Here is what it actually builds and why your hard sessions depend on it.
The Performance Management Chart turns weeks of TSS into three numbers that tell you how fit you are, how tired you are, and how ready to race. Here is how to read them.
TSS puts intensity and duration on one scale so you can compare workouts. Here is how it works, what the numbers mean, and where it stops being useful.