He is a former long-distance runner who won two Olympic gold medals and four world championships in the 10,000 metres. He also set 27 world records and is widely considered one of the greatest runners of all time.
She is a long-distance runner who has won three Olympic gold medals and five world championships in various events. She is the world record holder in the 5,000 metres and the second-fastest woman ever in the 10,000 metres.
She is a former long-distance runner who became the first African woman to win an Olympic gold medal when she won the 10,000 metres in 1992. She also won another gold medal in the same event in 2000, as well as four world championships and two world cross-country titles.
She is a middle- and long-distance runner who is the current world record holder in the 1,500 metres, the mile, and the indoor 2,000, 3,000, and 5,000 metres. She is also the sister of Tirunesh Dibaba and has won one Olympic silver medal and six world championships.
He is a long-distance runner who holds the world records in the 5,000 and 10,000 metres, as well as the second-fastest time ever in the marathon. He has won four Olympic gold medals and five world championships, and is the most successful runner in the history of the IAAF World Cross Country Championships, with 18 titles.