The Pilgrims trailed 2-0 to Notts County at Keyworth United - but came roaring back to earn a share of the Academy Division North spoils.
The result means United sign-off for the Christmas break with 10 points to their credit from their opening six league matches.
Boston (3-4-2-1): Charlie Wilkinson; Bailey Dilley, Owen Sheriff, Ben Robson; Krisztian Gagyi, Haydn Tear, Joe Melson, Jake Henderson; Finlay Armond, Ben Johnson; Sam Harris. Subs (used): Logan Tate, Elliot Foster, Han Stevens; (unused): Taylor Jaine, Oliver Ford (gk).
Referee: Jevon Swinscoe.