Chombueng Marathon is a prominent endurance running event, initiated by instructors Acharn Narong Tiammek and Acharn Somjit Sangapun at Chombueng Village Institute. It evolved from humble beginnings into a cherished tradition for health-conscious runners nationwide. The event holds a revered status, often cited as a model by athletes. A key feature is the pre-race gathering on Saturday evening. This gathering connects athletes who travel and stay overnight, providing a convenient and memorable way to interact with fellow runners before race day.