Thai Cold Rolled Steel Sheet Public Company Limited (TCRSS) with other five steel producers: Sahaviriya Steel Industries Public Company Limited (SSI), NS BlueScope (Thailand) Limited (NS BlueScope), NS-Siam United Steel Company Limited (NS-SUS), JFE Steel Galvanizing (Thailand) Company Limited (JSGT) and POSCO Coated Steel (Thailand) Co., Ltd. (POSCO-TCS)  jointly organized the Konlhek Mini Marathon 2026 (the 18th) on Sunday 11 October 2026 at Vachirabenjatas Park (Rot Fai Park), Bangkok.              

The “Konlhek Mini Marathon” was organized to promote health and well-being through physical activity while strengthening relationships among stakeholders in the steel industry, including employees, their families, customers, business partners, and the general public. The event also brought together the collective strength of the steel industry in contributing to society. This year, the Mini Marathon attracted more than 1,700 participants and successfully raised THB 3 million for charitable causes. The proceeds will be donated to organizations supporting disadvantaged individuals, helping them develop their potential, improve their quality of life, and gain opportunities for greater self-reliance and a more secure future.