4. Meseret Defar
Meseret Defar Tola: is a female long-distance runner from Ethiopia who competes chiefly in the 3000 metres and 5000 metres events. She has won medals at top-tier international competitions including Olympic and World Championship gold medals over 5000 metres. She broke the world record in the event in 2006, broke it again in 2007 and held it until 2008 when fellow Ethiopian Tirunesh Dibaba beat her time. Defar has been successful in the 5000 m at the Olympic Games, taking gold at the 2012 London Olympics, 2004 Athens Olympics and bronze at the 2008 Beijing Olympics.