Hiruni Wijayaratne (born December 5, 1990) is a Sri Lankan-American track and field athlete, specializing in long distance running events. Hiruni represented Sri Lanka in the 2017 London marathon at the 2017 World Championships in Athletics. Hiruni is considered the most decorated Sri Lankan distance athlete, as she holds Eleven Sri Lankan National Records on road and track events. She first ran the Sri Lankan marathon record of 2:36:35 in Houston, Texas, USA during the 2018 Cheveron Houston Marathon. She then renewed the Sri Lankan marathon record at the 2019 Düsseldorf Marathon, with a time of 2:34:10 which is also a South Asian Area Record. Hiruni works in Business Development and Sales for Runcoach &amp; Movecoach.