A recent analysis highlights the increasing danger heatwaves pose to athletes participating in traditional summer sporting events. The current situation is unsustainable given the realities of a changing climate. The article emphasizes the necessity for adjustments to protect athletes’ wellbeing as temperatures continue to rise. These alterations could involve rescheduling events, utilizing cooling technologies, or adapting training regimes. Ignoring the issue risks serious health consequences for competitors. Urgent action is needed to ensure the safety and viability of summer sports in the face of escalating heat. The author, Saku-Pekka Sundelin, stresses that a proactive approach is no longer optional.