The Pilgrims were beaten 1-0 by Long Eaton United at Grange Park courtesy of a third minute goal.
Ryan Pratt and Jenson Bark had United’s best chances after half-time, but were unable to convert.
Boston (4-2-3-1): Oliver Swaby; Marshall Young, Taylor Gray, Jack Withers, Leighton Boughen; Peter Evison, Jamie Gaukroger; Will Jackson (Harrison Holland 75), Jenson Bark, Jack Henton (Arkadiusz Michalczyk 46); Ryan Pratt. Subs (not used): Jenson Ball, Seth Greeves (gk).