Prolific sports talents who disappeared from big stage

Kenya's Pamela Jelimo competes in a women's 800-meter heat during the athletics in the Olympic Stadium at the 2012 Summer Olympics, London, Wednesday, Aug. 8, 2012. (AP)

They came, they conquered but then disappeared in a flash. 

Like Lake Maracaibo in Venezuela – which was entered into the Guinness Book of World Records for its “highest concentration of lightning” each year – some Kenyan sports stars hit the world stage on the pitch, tracks and courts and faded away like lightning.