Linet Chepkwemoi Masai is a Kenyan long-distance runner who competes in track and cross country running events. She won her first world title in the 10,000 metres at the 2009 World Championships in Athletics. Masai became the world junior cross country champion in 2007 and set a world junior record for the 10,000 metres at the 2008 Summer Olympics, placing fourth in the final. She was the runner-up at the IAAF World Cross Country Championships three times consecutively from 2009 to 2011. At the 2011 World Championships in Athletics, she won her second world track medal, taking third in the 10,000 m. 

December 5th, 1989 in Kenya (Age 34)