The CORE Blog

The IRONMAN World Championships in Kona regularly produce some of the hottest data sets we see out of the CORE Performance Team each year, and 2026 was no different. Kona's combination of heat a...

As the top triathletes in the world descend on Kona for the World Championships this Saturday, conditions are expected to reach 26°C/80°F with 90% relative humidity. Racing in humid c...

Use the same 5-day protocol that gave Metheven Bond a +38W increase to prepare for an upcoming hot event like Kona.