Two riders similar ride 30% difference in calories burnt 🔥

Absolutely, I don’t disagree with that point at all! In my original response in this thread, I pointed out that this is all likely irrelevant to those not carrying exceptional training loads. However, with this, it may still be important to recognise that there will be a small subset of athletes that cannot rely on hunger cues and scale weight to ensure sufficient calorie intake - that’s all! :innocent: