Kenya competed at the 2009 World Championships in Athletics from 15 to 23 August. A team of 43 athletes was announced in preparation for the competition. Selected athletes have achieved one of the competition's qualifying standards. The Kenyan team, characteristically strong in the middle- and long-distance running events, includes reigning world champions Alfred Yego and Janeth Jepkosgei, and reigning Olympic champions Pamela Jelimo, Nancy Jebet Lagat, and Brimin Kipruto.