Career
He set a 10000 metres world record of 27:30.5 on 30 June 1977 in Helsinki, Finland. The record was broken the following year by his compatriot Henry Rono. Before Kimobwa, the record was held by David Bedford of Great Britain.
In 1977 he finished third at the American Automobile Association Championships.
He was one of several Kenyan Runners who went to the Washington State University in the late 70"son After his running career, he became a schoolteacher and coached athletes like Ismael Kirui and Boaz Cheboiywo.
Kimobwa died aged 57 in a Nairobi hospital on Wednesday 16 January 2013, after being admitted the previous day with a stomach ailment.