The Pilgrims suffered a 4-1 reversal at the hands of Nuneaton Town in the Pilgrims' latest fixture played on the 3G surface at Skegness Sports Association.
It could have been even worse against title-chasing Boro had United keeper Oliver Swaby not saved a penalty.
Boston (3-5-2): Oliver Swaby; Taylor Gray, Jack Withers, Callum Rodger; Jack Brown, Peter Evison, Jenson Ball (Jordan Tate 80), Marshall Young, Sarok Ali; Jenson Bark, Arkadiusz Michalczyk (Harrison Holland 60).