The Science of Heat Stress: Boost Your Endurance with Core Temperature Insights

Many believe that riding outdoors in high temperatures guarantees heat adaptation. But that’s not the whole story. Aline Barre, the Endurance Performance Lead for CORE, explains what it takes to get true performance benefits for athletes. And why real heat training requires understanding both internal and external temperatures. Just because it’s hot outside doesn’t mean your body is adapting effectively. To truly benefit, Aline says to aim for an elevated core temperature, around 38.5°C. This means overdressing in controlled environments — like the indoor trainer on TrainingPeaks Virtual — can lead to more effective training sessions! Remember, not all heat is created equal. Are you using the right methods for your training? #HeatTraining #SportsScience