Born in the city of Meru, Kenya,[2] Kiogora initially began his career as a long-distance track specialist and had his first success at the 1996 African Championships in Athletics, where he won the gold medal over 10,000 metres.

[4] He was the runner-up at the 1999 Paris Half Marathon in a time of 1:01:37 hours, finishing a fraction of a second behind the winner Phaustin Baha Sulle.

Kiogora completed his pacing duties, helping Cherigat to victory, and also managed to finish the race, taking fourth position.

[8] Kiogora achieved a career best time of 2:08:24 hours at the Frankfurt Marathon in 2008 and this brought him third place behind fellow Kenyans Robert Kiprono Cheruiyot and Wilson Kigen.

[12] He made the top ten at the 2009 Boston Marathon (ninth in 2:13:00 hours), but fell down the order at the race the following year, ending up in thirteenth place.