Guides

Training analysis, explained plainly.

Short, focused answers to the questions that came up while we were building Endurance Debrief ourselves – no marketing fluff, the actual formulas.

How to Calculate TSS (Training Stress Score)

The formula behind TSS, hrTSS and rTSS – with a worked example and an overview of which method applies when.

Intervals.icu, Golden Cheetah & co. against a lean, private on-device tool – an honest comparison.

From Garmin export to readable analysis – without routing your data through someone else's server.