It had been unknown whether body mass index (BMI) influences an individual's heat adaptation. A November 2025 research study investigated.
The gold standard of core temperature monitoring was invasive, internal measuring. CORE challenged that with the world's first and only continuo...
Long-term heat training can increase hemoglobin mass and VO2max, giving greater athletic performance even in cool climates. Initial lab studies of this effect focused on active heat training (ie...
Beyond bringing you the most innovative thermal monitoring solutions in the world, CORE is constantly advancing research and development in the space of thermo-physiology. Until now, ...
Escaping the brutal winter conditions of the north, professional cycling teams head south each winter for training camps in idyllic Spanish destinations like Girona, Calpe, and the Ca...
We are excited to announce the 2026 additions to the CORE Performance team – a collection of established and up-and-coming athletes representing many different endurance sports.
Misconception: ‘Heat training is only done during hot weather.’ Top athletes have discovered just the opposite – that winter is a phenomenal time for heat training. We polled the CORE...
Join the 2026 CORE Ambassador Program and take your endurance training to the next level. Share your journey, connect with like-minded athletes, and inspire your community with data-d...
Imagine you’re standing on the start line of a marathon. Your training has gone really well. You’re pretty sure that you can run a personal best. Everything goes to p...
Looking to connect with others in the CORE community and learn more about heat training? Join CORE's first-ever group heat training session on Zwift, hosted by CORE's Endurance Perfor...
As autumn marathon season approaches, runners dream of cool, crisp race days, but reality does not always cooperate. Training weeks can be unexpectedly hot, and even the most perfect ...