Incredible Strathmore Leos maintained a 100% start to the season winning their 12th consecutive game beating Northern Suburbs 0-22.
Leos now have 57 points, seven ahead of second placed MMUST who beat Egerton Wasps 41-0.
The Madaraka based varsity side missed out on a bonus as they had only three tries and spot kick. Barnabas Owuor, Walter Oteko and Lucas Opal went over for Leos with Lucas Opal kicking the points.
Mean Machine stayed third with a game in hand after beating South Coast Pirates 43-18 at University of Nairobi while Mombasa RFC lost 29-15 to Catholic Monks at Catholic University.
Kisii won just their fourth match of the season as they saw off UOE 11-3 while USIU moved to fourth on 27 points after beating hosts Eldoret RFC 13-15.
N.Suburbs vs Strathmore 0-22
MMUST vs Egerton Wasps 41-0
Mean Machine vs SC Pirates 43-18
CUEA Monks vs Mombasa 29-15
Kisii vs UOE 11-3
Eldoret vs USIU 13-15