A horse bred by Queen Elizabeth II has won a race at Pimlico, two days after the British monarch died following seven decades on the throne.

West Newton, a six-year-old gelding, rallied from sixth place to win by a half-length at the track in Baltimore on Saturday.

WATCH IN THE VIDEO ABOVE: Queen’s former horse wins race two days after her death

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He ran one and one-eight miles on turf in one minute and 52.12 seconds in the $36,000 ($A53,000) race.

The gelding was ridden by Forest Boyce and trained by Richard Hendriks.

West Newton had not raced in 11 months.

“An unexpected but awesome win!!” owner Patrick Lewis said.

“He had been training well but closed like steam engine today.”

Forest Boyce has ridden West Newton, bred by the late Queen Elizabeth II, to victory in Baltimore. (AP PHOTO) Credit: AP

West Newton is out of the mare Queen’s Prize, also bred by the late monarch who died Thursday at age 96.

The victory was worth $21,000 ($A31,000) for owner Upland Flats Racing.

The gelding began his career in England. The victory at Pimlico was his fourth win in 19 career starts.

The Queen was a racing enthusiast who continued the royal family’s connection to Ascot, England’s most famed racecourse.

Her own horse Estimate won the 2013 Ascot Gold Cup, while she had 78 winners at the track as an owner dating back to her first in 1953 – the year of her coronation.

Queen Elizabeth II patting Aureole, one of her greatest horses, after a 1954 victory at Royal Ascot. Credit: Reg Speller/Getty Images

“The nation mourns the loss of a much loved and respected Monarch. The world of racing has lost one of its greatest supporters,” Sir Frances Brooke said.

“We at Ascot are privileged to have so many memories of Her Majesty The Queen at this her racecourse, including some wonderful victories in the Royal colours.

“We offer our deepest sympathies to His Majesty The King and the whole Royal Family.”

Australian racing identity recalls recent Ascot dinner with the Queen

Racing NSW boss Peter V’landys has paid tribute to the late Queen Elizabeth II, recalling her “mischievous” smile and wicked sense of humour at a dinner earlier this year.

V’landys, in his capacity as chief executive of Racing NSW, was seated next to the Queen for a dinner at Royal Ascot in June earlier this year.

The Queen was a racing enthusiast – her own horse Estimate won the 2013 Ascot Gold Cup – and V’landys gifted her a replica of The Everest trophy as thanks for the invitation.

The Queen studies the form guide at Royal Ascot in 2021. Credit: Max Mumby/Indigo/Getty Images

“She asked why I didn’t give her the original one and my response was: the original has about 6000 diamonds on it, that’s more than you’ve got’,” V’landys told AAP on Friday.

“The room stopped when she walked in, it was like we were looking at an angel.

“She was mischievous, her mental sharpness, wit and sense of humour was extraordinary.

“And she sent shivers up my spine when she told me how she fell in love with horses when her father, King George VI, who owned two horses, took her to the races when she was 16.

“She saw this magnificent horse and was captivated by it and when she touched its neck it felt like velvet, and she said she didn’t wash her hands for three days.”

Awkward AFLW moment before tribute to Queen

Awkward AFLW moment before tribute to Queen