South Korean football is exploring the possibility of changing the traditional March to November schedule for the K-League, a top-tier football league in the country, due to increasingly extreme weather conditions. More than 70% of 29 coaches surveyed support shifting to a European-style format that starts in late August and includes a winter break. This change is being considered in response to rising summer temperatures and the impact these have on players, fans, and the quality of matches. Recent heatwaves have led to fans fainting in stadiums and coaches expressing concerns about the decline in game quality. The situation has been worsened by climate change, with a 2025 report from the Korea Meteorological Administration (KMA) showing that average temperatures in South Korea have risen by 0.9 degrees Celsius between 2020 and 2024—significantly higher than the 1.9-degree increase recorded over the previous 100 years. In early August, the city of Yangsan hit a record 42.5 degrees Celsius, while Seoul experienced 17 consecutive nights with temperatures above 25 degrees, known as tropical nights. These conditions have put pressure on the South Korean Pro Footballers Association (KPFA), which has called for a schedule change to protect players and ensure the league remains competitive globally. Japan has already made a similar shift, with the J League adopting a later start and winter break in recent years. Despite concerns about potential declines in matchday revenue and fan interest during the mid-season break, the J League expects record revenues. The Asian Champions League also transitioned to a similar schedule in 2023. South Korea, however, faces a harsher winter than Japan, which could affect more clubs, and summers have become 25 days longer while winters have shortened by 22 days since the early 20th century. The potential change could align with the 2030 World Cup, which South Korea is hosting, offering an opportunity to adjust schedules on a global stage. China, which shares a similar climate and schedule with South Korea, is also considering similar changes. Meanwhile, other sports are also facing similar challenges. The Indian Premier League (IPL), a highly lucrative cricket competition, is considering moving its season from March to May due to rising temperatures, with suggestions of a February to April window. The Tour de France has also faced heat-related challenges, though moving away from its traditional July dates is not currently under consideration.