The deceased hoped to get the "ticket" for them Tokyo Olympics, although he was in the process of recovering from an injury.
Harun was born in Sudan and acquired the right to represent Qatar in 2015.
In the same year he was crowned Asian champion in the 400 meters at the age of 18 and set an Asian record in the under-20 category with 44.27. The following year he was crowned Asian Indoor Champion and won the silver medal at the World Indoor Championships in Portland, before competing in the Rio Olympics. when he won the bronze medal in the event, staying behind South African Wade Van Nieker and Steven Gardiner from the Bahamas in London.
