Warwickshire 310 (Trott 79, McCarthy 4-58) and 199 (Hain 58 *, Patel 7-54) drew with Durham 292 (Stone 7-59) and 115 for 8 ( Stone 4-37)
Durham's tail sank to win a draw and cushion Warwickshire's hopes of promotion on day four of his captivating Specsavers County Championship game in Edgbaston.
Game 218 to win 41 overs, Durham were thinking about their chances, but four Olly Stone grounds helped reduce the visitors to 102 for eight with six overs remaining.
The Bears stepped up their efforts, losing the edge many times, but wicketkeeper Stuart Poynter (9 *) and number ten Matt Salisbury (5 *) achieved a determined partnership in the ninth round of 13 runs from 35 balls.
It was disheartening for a local team that remains at the top but is reduced by seven points to second-placed Kent who beat Northants earlier in the afternoon.
With 70 overs lost in the game and promotion of Warwickshire r Sussex and Kent came close to the top spot, there was great urgency on the part of the hosts to design a winning opportunity.
Starting the day with a 28 for one, Ian Bell was the first to leave, trapped by Graham Clark after throwing himself into the first ball of Axar Patel for 10, with Dominic Sibley following shortly after, kicked by Patel for 27 attempts swept.
Jonathan Trott then dropped four balls later, skirting Paul Collingwood for 13 of Barry McCarthy, leaving the Bears fighting in 68 for four.
A valuable association of 89 of 202 balls between Sam Hain and Tim Ambrose that fell twice at 10 and 14, beat Warwickshire ahead in the game.
But once Ambrose was trapped by Patel LBW, land fell at an alarming rate, five in nine overs, while the spinner was trailing by the tail, once Barry McCarthy eliminated Keith Barker by five, achieving the best record of his career with 27.4-12-54-7.
The 24 years – Then he threw his namesake for seven, before getting Chris Wright (15), Stone (0) and Ryan Sidebottom to leaf through with the last dismissal that comes through Will Smith's head in the short leg .
Durham had to go to 5.31 a further to reach his goal, but they were immediately put on the back foot.
Barker caught Alex Lees lbw for nine, before Wright put Cameron Steel ahead by 21, while Stone discarded Smith by eight later. Both lands had come after a change of bowling.
Stone attacked again, Richardson gave him lbw, putting the visitors at 54 for four and needing another 164 to win 22.4 overs.
A win out now seemed very unlikely and Warwickshire, who were rotating the sewing attack, struck with 21 overs remaining when Stone got Clark to find Hain in the deep square for 23.
Patel, who was going to Running a ball, was the next to fall trapped in LBW by Barker by 22 leaving the experienced Collingwood and Stuart Poynter to see the last thirteen overs.
But Ambling caught Collingwood for 13 from Wright's bowling alley and McCarthy followed when Stone caught him for two.
The Warwickshire tails were up but Durham's was a match, defending seven intense rhythm overs that saw five slips and no fielders more than 15 yards from the bat.
There is little time for either side to clean up with Warwickshire heading to Grace Road to face Leicestershire on Monday, while Durham returns to Chester-le-Street to face third-placed Sussex.