Eunice Jepkoech Sum

Eunice Jepkoech Sum (born 10 April 1988) is a Kenyan middle-distance runner who specializes in the 800 metres. She was the 2013 World champion and won the bronze medal in 2015.

Sum took a silver and a gold at the 2012 and 2014 African Championships in Athletics respectively. She was also 2014 Commonwealth Games gold medallist and a three-time successive Diamond League winner in 2013–15.