Elga Thomas was born in Wayanad district of Kerala in the farming village of Karakkamala. The youngest of three children, her father is a farmer, just like most of the residents of the village and her mother Bindu is a homemaker. From a young age, Elga has been active in sports, participating in athletics programs in her school. It was when she was in Grade 7 that things changed. She won the athletic meet at her school and was chosen for a district level competition where she once again grabbed the 1st place.