The Ralph Beckett-trained Cubanita collared Sajjhaa in the dying strides to claim the Betfred EBF Gillies Fillies' Stakes at Doncaster.
Dropping from Group One to Listed level, Godolphin's highly-rated Sajjhaa was sent off the 7-4 favourite and looked to have sealed it when Mickael Barzalona swept to the front approaching the two-furlong pole.
But her stride was shortening just as Cubanita's abundant stamina was kicking in entering the distance, and Jim Crowley's mount (8-1) was half a length to the good as they flashed past the line.
The lightly-raced maiden winner Reckoning ran on encouragingly to fill the places under champion jockey Richard Hughes.
Crowley said: "It's been stop-start with her this season so hopefully she'll stay in training next year, fingers crossed. I got a good trip round. They went a good gallop and everything went well in the end. I think she'll get a mile and a half. The last furlong was her best furlong."
Godolphin clinched the owners' championship with a double through Mar Mar and Muharrib, both trained by Saeed bin Suroor.
Mar Mar (7-2) showed a neat turn of foot two furlongs out to easily win the Betfred Cock O'The North EBF Maiden Stakes by four lengths under William Buick.
"She's a very honest filly, but she was a bit unsettled and keen last time, so we thought visors would help. She'll be a nice seven-furlong filly for next year," said Godolphin's representative Diana Cooper.
Muharrib (5-1) led over a furlong out under Barzalona to defy top weight in the Betfred 'The Home Of Goals Galore' Nursery.
Cooper said: "He's a very bonny horse who has thrived all season. He'll have a nice holiday now and he's one to look forward to. He's very honest and game and gives his all every time."
31 October 2014Lavelle star Bec in business
Weld out to break new ground
Osborne ready to 'roll the dice'
Dank bids to sign off on a high
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Red Ed upbeat about Cadeaux
Aktabantay out of Breeders' Cup
Tearless secures Good Friday ticket
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Road charts route to Royal riches
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Royal summons for Apache
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Murtagh succumbs to Cup charms
Dandino to stay in Australia
Glance denied Mackinnon defence
Bailey ace rules Supreme at Taunton
O'Brien hit by Magician blow
Diablo in big-race picture
Buckley raises Toast to Osborne
Pastille seeking four-timer
Conti all set for Charlie Hall
Barnes out to storm Saint-Cloud
Williams issues Buywise warning
Lynam reveals Slade stalls fears
29 October 2014Lame Magician out of Breeders' Cup
Diablo in big-race picture
Mullins enters strong Hennessy team
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Eckhart team rocked by injury blow
Hunt Ball makes Power play
Morgiana a T bone of contention
Kirby ponders Buttons French raid
Glance camp turn to Williams
Wohler trusts 'professional' Moore
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Head targets more Mile glory
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Twiston-Davies link excites Moore
Flying third to Bob on hurdling bow
Harden to test top staying waters
Godolphin take share in Belardo
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Annacotty set for Kempton return
Powell and Bradley cleared
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Toast drawn nine in BC Classic
My Ambivalent passed fit by vets
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Three and easy for ton-up Hanagan
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