Spalding sit one place above the drop zone after slipping to their third defeat in their opening four Lincolnshire Board Premier League matches.
Hosts Woodhall Spa posted 236/9 and then sent Spalding packing for 167.
The home side were rocking at 11/2 thanks to wickets for Harsh Bhandari (2-35) and Nilanthan Atapattu (1-35) but Spalding failed to keep the pressure on as the runs flowed freely with their opponents romping to 148/4.
Walter Kinlock (3-33) and Josh Lawrence (2-60) slowed the run rate but Woodhall saw out their overs on 236/9.
After losing opener Jon Manton for three, captain Ollie Dring (33) and Lawrence (59) put on 65 but from 99/2, the visitors slipped to 110/5 and were all out for 167 with Matt Carter a thorn in their side, taking 5-31.