Seventeen year old, Seneca Guneratne, a former Student of Colombo International School, Kandy had her Primary education at LPL Academy, Colombo until 2011 and joined C.I.S.in the year 2012 and started Athletics under the coaching of Susantha Fernando, Veteran Athletic Coach and in 2021 she was Coached by Sanjeewa Weerakkody.
Seneca became the Best Female Student and Best 400 Metre Runner at the John Tarbet Junior Championship in the year 2019 winning the, 400 metre race in 59.5 secds. & 200 Metre in 25.7 secds. She was the Under 16 Girls Champion of the International Schools Athletic championships in 2020 and the timing was 100 Metre in 12.61 seconds.
Seneca secured the First place at the Asian Youth First trials in the year 2021 and her timing was 12.06 Seconds. and she became First in 100 and 200 Metres in Kandy Zonal Meet in 2022. Again in the same year she became First in 200 Metres and Second in 100 Metres at the Central Province Meet and in the Senior Sir John Tarbet Athletic Championship in 2022 she secured the First place in 100 metres with a timing of 12.07 seconds.and she received Sri Lanka Schools Athletic Colours in 2022.
Seneca Guneratne was a Senior Prefect in the School in the year 2021/2022 and Head Girl of the CIS and she finished schooling in the year 2022 after getting through her A//Levels and her intention is to travel to USA to study Engineering while continuing her career as an International Athlete to bring fame to her motherland