Leyburn maintained their one point lead when they visited Reeth and came away with a 3-0 victory.
James Wilkinson put them in front from the penalty spot after only nine minutes and the same player made it 2-0 five minutes from the interval with a 20-yard free-kick.
Midway through the second half Martin Allinson settled the issue with a third goal for the leaders.
Hawes United extended their recent unbeaten run to nine games when they travelled to Richmond Buck and won 4-2.
Mark Alderson and Nick Prince gave them a 2-0 advantage in the opening 20 minutes before Adam Emson pulled a goal back for Buck. A minute from half-time the visitors made it 3-1 as Wayne Winspear fired in a 30-yard free-kick.
Ten minutes into the second half Stuart Dinsdale added a fourth for Hawes and they ended comfortable victors despite a second late goal for the home side by Emson.
Richmond Mavericks notched up their fourth successive league win by two clear goals at Catterick Village.
Matthew Pollock put them ahead after 20 minutes but it was not until midway through the second half that Craig Vincent made it 2-0 to end the home side's hope of a point.
A late goal by Bishopdale brought them the points in a high-scoring 5-4 victory at Bowes. The home side got off to a flying start with a goal in 12 seconds headed in by Justin Hesp and Trevor Guy quickly added a second.
Andy Rakes replied for the visitors but Scott Walker promptly made it 3-1 for Bowes.
Bishopdale scored a second through Noel Butterworth but the home side responded with a fourth goal from Walker to lead 4-2 at the break.
The second half however proved a different story as goals by Bobbie Fotheringham and Mark Ridley saw the sides level at 4-4 after 73 minutes.In the final minute the visitors snatched the winner with a goal by Peter Westwood.
Carperby entertained bottom of the table Redmire in a game switched to their ground and ran out winners by 14 goals to nil.
John Pickard (2), Nick Oliver (2), Tim Peacock, Paul Stephenson, Darren Percival and David Moore found the net in the first half to make it 8-0 at the interval and in the second half Pickard scored another two goals to bring his personal tally to four.
Simon Muir, Steve Harrison, Steve Thompson and Richard Wetherall from the penalty spot scored the remainder.
Middleham Town moved up into seventh place in the table after they recorded their third successive victory, 5-2 at Hawes B.
Stuart Haygarth put the home side into the lead after five minutes but the visitors levelled through Dave Wheeler and two goals from Richard Weedall gave them a 3-1 interval advantage.
Five minutes into the second half Robbie Bright added a fourth for Middleham and Glyn Barnard made it 5-1 before David Allen scored a second for Hawes from a free-kick five minutes from time.
Askrigg continued their recent improved form and extended their unbeaten run to five games when they visited Swale Travaux and reversed a 2-0 interval deficit to win 3-2.
The home side looked on course for victory when Andy Kelly and Derek Welland gave them a 2-0 lead but after 38 minutes they suffered a blow when centre forward Simon Walsh was sent off for retaliation.
After 65 minutes Martin Alderson reduced the deficit for Askrigg and ten minutes later Gary Cockerill levelled the scores. Travaux twice hit the visitors' woodwork but with two minutes to go Cockerill hit the winner for Askrigg.
The Catterick Garrison against Spennithorne match was postponed
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