"We have very happy memories of His Royal Highness The Duke of Edinburgh at Ascot where he accompanied Her Majesty The Queen on so many occasions and shared in her successes," Sir Francis Brooke, the Queen's representative at the racecourse, said in a statement posted to social media.
Brooke then shared a particularly fond memory - when the Duke of Edinburgh presented his wife with a trophy in 2012 after one of her own horses, Estimate, won the Queen's Vase, one of Royal Ascot's most prestigious races.
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"One of the most memorable moments was in 2012 when His Royal Highness The Duke of Edinburgh presented Her Majesty The Queen with the Queen's Vase after Estimate's victory," the statement read.
Tributes also poured in from the world of soccer, with Tottenham Hotspur manager Jose Mourinho interrupting his pre-match press conference ahead of a weekend game with Manchester United to address Prince Philip's death.
"I would like to express my condolences to the Royal family, and to be very honest and say I have a deep deep deep, the utmost, respect for the Royal family," a visibly upset Mourinho said.
"I believe that it is not just this country that is going to be sharing these feelings."
He was the president of the FA between 1955 and 1957, and attended the final of the FA Cup, English domestic soccer's biggest match, numerous times.
Clubs from across English and world football also shared their condolences over his death, with Burnley Football Club sharing a photograph of the Duke of Edinburgh meeting players before the 1962 FA Cup final.
Formula One authorities also sent their regrets over the duke's death, writing in a tweet: "The whole of Formula 1 wishes to pay tribute to Prince Philip, The Duke of Edinburgh, who dedicated his whole life to Great Britain and served his country with pride and devotion."
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