The Arugam Bay Half Marathon is an annual event held in Arugam Bay, Sri Lanka. It is one of the most popular running events in the country, attracting thousands of participants. The course takes runners through the stunning coastline of the bay and its picturesque villages. The race is organized by the Sri Lanka Athletics Association and features a number of categories including a half marathon, 10km and 5km race. The event also includes a number of other activities such as a post-race party and an awards ceremony. The race also helps raise funds for various charities, with proceeds going to support local communities.