Main drew their third consecutive league game in front of the largest home crowd of the season, swelled by the visiting supporters.
Boro' midfielder Richard Dunning hit an 8th minute shot wide from the edge of the box and, at the other end, Main's Lee Whittington had a shot saved by 'keeper Jack Dennison after Mick Jones' free kick was only half cleared.
Then, striker Rob Branagan was inches away from getting on the end of Scott Whittington's cross from the left, Lee Mellon headed wide from Scott Mellon's long throw into the box and Scott Whittington had a low shot saved as Main enjoyed a short period of pressure.
After 16 minutes, Boro' were close to opening their account when defender Chris Jenkinson's header, from Frank Belt's corner from the left, crashed back off the back post.
Eight minutes later, Main took the lead when young under 19's striker Adam Kennedy beat the Boro' offside trap by running onto a long pass and coolly lobbed the ball over Dennison in the box into the back of the net for his first senior goal for Main.
Boro striker Ryan Blott had a low shot saved by Main 'keeper Jamie Bailey, Bill Law shot wide after bursting  

into the box and Blott fired well wide as the visitors tried to get back on level terms.
Eight minutes before the break, Blott hit a 30 yard free kick over.
After a quiet start to the 2nd half, Branagan had a shot in the box blocked.
Then 5 minutes later, Boro' levelled the score when Dunning's long range shot luckily deflected off Jones and flew over Bailey into the top of the net.
Main defender Danny Reilly had a 72nd minute shot saved following Scott Mellon's free kick into the box.
A minute late, Kennedy forced a good save from Dennison from Danny White's ball forward.
Dunning hit another long range effort wide and Law also saw his shot from 18 yards go wide.
The last action of the match saw Main substitute Simon Hickey hit a 35 yard free kick wide.

Main: Jamie Bailey (captain), Danny White, Scott Mellon, Mick Jones, Danny Reilly, Lee Mellon (Simon Hickey 75) Scott Whittington (Adam Shepherd 77), Greg Mason, Rob Branagan, Lee Whittington, Adam Kennedy