Third-placed Bourne 2nd and relegation-threatened Long Sutton suffered defeats to the top two in the South Lincolnshire & Border League’s Premier Division.
Boston and Sleaford 2nd both picked up 20 points with those victories.
Ryan Croom hit the division’s highest individual score with 85 for Boston while three bowlers recorded five-wicket hauls – Steve Elleray for Boston, Matt Benson of Lindum Ramblers who beat Moulton Harrox and Sam Barrett in Stamford Town’s win over Billingborough.
Four centuries were scored in Division One.
Richard Witt made an unbeaten 143 and John McDougall added 100 for leaders Market Deeping 2nd who piled up 332 runs against Long Sutton 2nd.
Will Charlesworth hit 102 and Ian Glendinning was 128 not out as Heckington notched up 265-2 against Billingborough 2nd who hit back with 237 -9 led by Mike Stanley with 91.
In Division Two, Timberland moved to the top of the table – just one point ahead of Baston who beat Pinchbeck.
Claypole kept up their challenge with victory over Spalding 3rd while Grantham 4th enjoyed a good win over Graves Park.