Owen Mitchinson and Grant Cowe scored tries for the second successive match as Lincoln’s 1st XV lost 35-22 at near neighbours Newark.
Newark opened the scoring when Aloesi Waqalevu went over for a try after just three minutes.
Lincoln responded instantly as Newark dropped the ball from the resulting kick-off. Mitchinson picked up the loose ball before breaking through a tackle and fending off the scrum-half to win the race to the try line.
Richie Dixon successfully slotted over the conversion before later kicking a penalty to increase Lincoln’s lead.
George Woodman crossed for a try as Newark levelled the scores after 28 minutes.
The hosts then lost a player to the sin bin and Lincoln soon took advantage of having an extra man as a great miss pass from Dixon put Laurence Few over for a try in the corner.
Matthew Cox slotted over a penalty and scored a try as Newark took a narrow 18-15 lead in at the break.
Newark captain Will Britten ran in for a try, which Cox converted, before the hosts were awarded a penalty try.
Two Newark players were sent to the sin bin before Lincoln substitute Grant Cowe finished off a great team move to go over for a try, which Dixon converted.
Cox slotted over a late penalty to secure victory for Newark and the two sides will meet again on Saturday.
Lincoln Imps XV remain top of the league table despite a narrow 22-17 home defeat against second-placed Newark.
Tries from Connor Hall and Harry Atkinson gave the Imps hope of continuing their fine run of form.
Alex Brodrick also crossed to score for Lincoln, but it was awarded as a penalty try.
Ben Manderfield crossed for two tries as Lincoln Colts booked their place in the next round of the Lincolnshire County Cup with a 49-0 win against Scunthorpe.
Ben Crowe, Ruari Catani-Brown, Henry McCartney, Harry Whittaker and Joe Connolly each scored one try. William Dark kicked four conversions and two penalties.
Joe Thompson scored an intercept try from 60 metres out as Lincoln’s Under-15s lost 29-5 at Oakham.
Lincoln Touch competed in the Eastern Regional Development tournament in Norwich on Sunday.
Lincoln started with a win against Ospreys and a draw against Nomads before losing to Bedford. 4-0 victories over Nottingham and Babas followed, but Lincoln lost out on the shield on points difference to Bedford. Lincoln debutant Megan Moore impressed with three tries in her first ever tournament.
In National League Two (North), Scunthorpe were hampered by illness and injury as they lost 76-15 against a well-drilled Stourbridge side.
Jacob Hardy, Gareth Mist and Paul Cook scored Scunthorpe’s tries.
Youngsters Elliott Caunt, Keir Gosling and Josh Clarke also impressed for the hosts.
Before the match both sides observed a minute’s silence in memory of Dave Carter, who played for Scunthorpe’s 3rd XV and sadly died on Tuesday, January 28.
In Midlands Two East (North), Fred Fenwick and Josh White scored the tries as Market Rasen & Louth recorded a narrow 10-7 victory against Loughborough.
Ash Anker crossed for a hat-trick as Spalding claimed an emphatic 78-0 win over Bedford Queens in Midlands Three East (South).
Captain Dan Adams, Ash Piccaver, Ed Booth and Gav Sharman each grabbed two tries apiece.
Willis Ingleby, Ryan Chappel and Ben Shields also scored and Booth added four conversions.
The game was called off after 65 minutes for what is believed to be safety reasons, but the result still stands.
Jack Berry scored a hat-trick of tries as Bourne claimed a thumping 52-13 home victory against Northampton BBOB.
Harry Thornburn, Jamie Colangelo, Sam Thornburn, Jake Appleby and Adam McHugh also scored tries, with Sam Evison adding six conversions.
Stamford dropped to second in the table after a 30-8 home defeat in their derby clash against new league leaders Oakham.
Rees Burns scored Stamford’s only try and Ollie Johnson kicked a penalty.
In Midlands Three East (North), Dan Turner, Will Wood and Harry Clough grabbed two tries apiece as Kesteven made it three wins in a row with a 43-5 victory against Sileby Town. Jake Eagle also scored a try and Ollie Wood kicked four conversions.
Kesteven Ladies showed great spirit and improvement in their game despite the result in a 42-0 defeat away against unbeaten league leaders Driffield.
Matt Pettiford and Brad Treacher scored the tries, with the latter also adding one conversion, as Grimsby lost 40-12 against league leaders Ashby.
Slavs Snetkovs, Baden Kerr, Matt Stringer, Jake Vickers and Morgan Gant scored the tries as Grimsby’s 2nd XV beat Market Rasen 29-5. Stu Saunders kicked two conversions.
Kathryn Turner scored a hat-trick of tries as Grimsby Lynx Ladies beat Malton and Norton 53-17.
Captain Laura Galley and Genevieve Hill grabbed two tries apiece, with Emma Mason and Rebecca Tacey each scoring one. Ellis Bain kicked four conversions.
Leaders Boston secured a 17-17 draw in the top-of-the-table clash at East Retford in Midlands Four East (North).
Sam Johnson, Jaron Cowern and Chris Cook scored Boston’s tries and Will Scupham kicked one conversion.
North Hykeham captain Ross O’Loughlin produced a man-of-the-match performance as his side bounced back to winning ways with a 27-12 victory against Sleaford.
O’Loughlin, Gareth Alder-Woolf, Ryan Carr and Danny Brown scored the tries for the hosts, with Jack Thomas kicking two conversions and a penalty.
Curtis Key and Wayne Harley scored Sleaford’s tries and Cameron Catelugh added one conversion.
Brad Beresford crossed for four tries as Gainsborough beat Amber Valley 59-10.
Martin Rice grabbed two tries and Richard Greenway, Daniel Dawson and Matthew Meadows each scored one. Gainsborough’s man-of-the-match Robbie Goodyear kicked seven conversions.
Cleethorpes continued their fine run of form as they recorded their 11th win in a row with a 38-20 home victory against Chesterfield Panthers.
Alex Nabais, Luke Thorton, Jake Edwards and Harry Lightfoot all scored tries for Cleethorpes, with the latter adding two conversions. Cleethorpes were also awarded two penalty tries.
Lewis Haigh kicked a penalty to give Skegness the lead before two converted tries saw them lose 14-3 at Nottinghamians.
In Midlands Four East (South), captain Haydn Johns scored two tries and two conversions as Stamford College Old Boys beat Northampton Men’s Own 34-15.
Cat Walker also grabbed two tries for Stamford with Alex Walker and Dan Smith each scoring one.