Hellen Kimaiyo Kipkoskei (born September 8, 1968 in Moiben) is a retired runner from Kenya.
She won the Peachtree Road Race three times a row (1996–1998) [1] and Dam tot Damloop four times a row (1992–1995).
[5] Kimaiyo went to the Singore Girls Secondary School in Iten.
She is married to Charles Kipkorir, who is also a former Kenyan runner.
Soon after the 1984 Olympics she became pregnant and gave birth to her first child.