The record league champions had not dropped a point before this game after winning their previous four matches
Gor Mahia have for the first time this season, dropped points after recording a 0-0 draw against Ulinzi Stars in a Football Kenya Federation Premier League match at Thika Stadium on Wednesday.
K'Ogalo were more ambitious and attacked relentlessly in the first half but the 2010 Premier League champions settled and preferred not to play in their own area in the second half as they took the game to the away side.
James Saruni's intervention in the 12th minute prevented Gor Mahia from going ahead when Benson Omala connected to a corner delivery but while inside the box, he could not beat the Harambee Stars custodian.