Bourne’s Ben Stroud took the first hat-trick of the Readers Lincolnshire ECB Premier League season and Warren Nel of Spalding hit the day’s only century.
Market Rasen are proving to be the surprise team, claiming their second win of the year.
Having been candidates for relegation until the final game of 2014, victory at Spalding has left Rasen in fifth place.
Accurate bowling restricted Spalding to 205-7 with Nel making 103 and Josh Newton 46.
Matt Rutherford took four wickets for Rasen then Will Bradford (59) and Liam Scales (45) got their reply off to a good start before, with four wickets down, Rutherford (42no) and Graeme Bell (31no) joined forces to take their side to victory.
Bourne were involved in a tight game against Skegness, despite bowling their visitors out for 181.
The seasiders were reduced to 32-3 before Pradeep Chanditha (51) and Jamie Epton dug in.
This left Skegness 82-5 but Brendan Young’s 66 off 67 balls helped his side to a respectable score before the New Zealander become the second victim in Stroud’s hat-trick.
Bourne also found themselves in trouble on 13-2 but captain Pete Morgan anchored the innings with 55 and Rob Bentley was unbeaten on 48 when Bourne claimed a three-wicket win.
Grimsby Town suffered a heavy defeat at the hands of Market Deeping who finished on 241-8, David Gillett making 51 and Alex Wheatley 85.
Grimsby were then bowled out for 79.
Other results: Bracebridge Heath 211-8 (Atri 82), Lindum 137; Grantham 148 (Bandara 6-49), Woodhall Spa 150-1; Louth 182 (Morris 5-46), Sleaford 187-6 (McIntosh 98no, Shorthouse 64).