In view of the World No Tobacco day, the Department of Public Health Dentistry conducted a Mini-Marathon on 31st May 2022. The theme for 2022 is “Tobacco: Threat to our environment”. The event was aimed at raising awareness regarding the ill effects of tobacco to the environment. The mini-marathon covering a distance of 5kms was flagged off by our Principal Dr.Sharath Asokan. It started from M.M.Mahal, Namakkal Road, Tiruchengode and ended at Avvai KSR Matriculation school, Tiruchengode. Approximately 400 participants including students, interns, postgraduates and faculty from KSR Institute of Dental Science and Research, and students from various colleges from KSR Educational Institutions took part in the event. A valedictory function was conducted at the end of the event. The function was honoured by Mr.D.Raman, District Educational Officer, Namakkal District. Cash prizes were awarded to the winners of first, second and third place in both male and female categories among students. Dr.Suman Jaishankar won first place in female faculty category and Dr.H.Prasad won first place in male staff category.