The Green Corridor Run is a 10.5km running race along an uninterrupted stretch of greenery and woodlands along the entire length of Singapore, starting at the Tanjong Pagar Rail Station and finishing at the old Bukit Timah Rail Station. In 2015 race is being held in conjunction with Singapore’s World Water Day celebrations, a United Nations initiative to focus attention on people who lack access to fresh drinking water and sanitation.