Long Sutton ladies first team face a rearranged trip to Newmarket on Saturday with the winner taking a second promotion spot.
Last weekend’s 3-2 win sent Bourne Deeping to relegation and set up Sutton’s final-day showdown.
Second-placed Cambridge City 3rd lost their final match to keep alive the chances for Sutton or Newmarket.
Bourne Deeping created a series of penalty corners but found the defence of Rachael Gadsden, Tanya White, Jo Bland and Lisa Baker in fine form with ever-dependable Lorraine Wallis in goal.
One particular save by Wallis plunging to her left post demonstrated not only quick feet but also superb agility.
The game was end-to-end but Sutton just could not find the final pass and this gave Bourne confidence.
Long Sutton conceded a further penalty corner which was well worked with a left slip and pass back to the penalty spot for the Bourne striker to coolly place the ball past the despairing Wallis to put the home side ahead.
This seemed to spur Long Sutton on and skipper Leanne Woodhead was adjudged to have kicked the ball over for what would have been an equaliser.
The home goalkeeper then produced a couple of fine stops to protect their lead.
The centre midfield duo of Charlie Leuty and Leah Goodley worked tirelessly while Connie Gittins and her sister Emmie, along with Louise Southgate, provided support from the wings.
During rotation periods Lauren Cooper ably assisted the defence as all 13 players worked hard to get Long Sutton back on track.
Goodley found Woodhead who drove into the D and drew the keeper before unselfishly slipping the ball left for Lyn Tancred to level.
Bourne soon restored their lead so Sutton manager Lawrie Sullivan changed formation, going three at the back and pushing three in attack.
Within minutes of this approach Sutton gained a short corner and Woodhead’s brilliant strike from the top of the D made it 2-2.
Wallis made saves but with under a minute left on the clock, Woodhead picked up the ball in midfield and slipped a glorious pass through to Tancred and she went one-on-one with the home keeper.
Showing her experience, she drew the keeper and slipped a shot to the right before she could set herself and then celebrated as the ball hit the backboard.
While Bourne Deeping lost their Division Two NW status, Long Sutton kept their dream alive.