Miler Sebastian is a professional track and field athlete who specializes in middle-distance running. He is the current world record holder for the mile run, having set the record in 2019 with a time of 3 minutes and 43.13 seconds. He is also a two-time Olympic gold medalist, having won gold in the 1500m at the 2016 Rio Olympics and the 5000m at the 2020 Tokyo Olympics. His career has been marked by numerous world records and championship titles, making him one of the most successful athletes in the history of track and field. The acronym COE stands for 'Certificate of Excellence', which is an award given to athletes who have achieved excellence in their sport.