Hoy beat Hamilton and Adlington to win BBC Sports Personality of the Year
Olympians Chris Hoy and Rebecca Adlington and driver Lewis Hamilton have rounded off an exceptional year for UK sport with New Year Honours.
Cyclist Hoy is knighted after three Beijing golds and double gold-winning swimmer Adlington becomes an OBE. F1 champion Hamilton is made an MBE.
The new sirs also include fantasy author Terry Pratchett, while rock star Robert Plant becomes a CBE.
Sara Payne, a campaigner following the murder of her daughter, is made an MBE.
In China this summer, Hoy became the first British athlete in more than 100 years to win three gold medals at one Games.
"To become a knight from riding your bike, it's mad," he said. "But it is, genuinely, just an amazing honour."
His knighthood comes after being crowned BBC Sports Personality of the Year earlier this month.
Further honours for the British cycling team that dominated the sport in Beijing see double gold-winner Bradley Wiggins and coach David Brailsford become CBEs, and eight more gold-medallists made MBEs.
The honours continue for contributors to Britain's best Olympics performance since 1908, including sailor Ben Ainslie who is made a CBE after collecting three golds at successive Games.
Cyclist Chris Hoy on being knighted
Nineteen-year-old Adlington is honoured after becoming Britain's first woman swimmer to win Olympic gold since 1960.
"There are so many amazing names on the list, it's something I'll treasure for the rest of my life," she said.
Fourteen-year-old Paralympian swimmer Eleanor Simmonds said she felt like she was "living in a fairy-tale" on becoming the youngest person ever honoured, made an MBE after winning two golds in the pool in Beijing.
The first British woman to win the Olympic 400m, Christine Ohuruogu, becomes an MBE.
In Formula One, Lewis Hamilton secured the title only on the last corner of the last race, becoming the youngest ever champion at the age of 23.
Becoming an MBE was "the most amazing culmination to what has been quite a year for me", he said.
The New Year Honours turn out to be a double celebration for the Hoy family, with the cyclist's mother Carol Hoy made an MBE for her work as a specialist nurse at the Royal Infirmary in Edinburgh.
Reading Football Club chairman John Madejski, meanwhile, receives a knighthood for his charity work.
Some 966 people are recognised in the New Year Honours.
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