Even David Beckham, 38, proved himself to be the fatherly champion as he won the dad race in front of the whole student body.
However, rather than just stand on the sidelines, Victoria, 39, proved she wasn't too Posh to take part, throwing off her heels to take on fellow celebrity parent Stella McCartney in a foot race.
Mum on the run! Victoria Beckham throws off her heels to take part in her kids' school sports day
Mummy on film: David recorded his wife running in the fun race with Harper watching
Wooden spook: From the looks of the other racers in front of Stella, Victoria came last
Winner: Stella McCartney seemed to win the mother's race in bare feet
No hard feelings! Victoria grinned as she caught back her breath while Stella patted her on the back
No chance: David Beckham grins back at his older, harder trying rival
Didn't stand a chance: Having only just retired from professional football it's safe to say Becks had an unfair advantage
Harper's turn! The Beckham's youngest has a go at running too and everyone clearly finds it adorable
Proud dad: David videos his son Cruz playing with a football during one race
Can't help it! Ever the footballer, Becks can't stop kicking a ball around when it gets near him
Doting parents: Victoria, David and Harper watch as Cruz takes part in sports day
Active: Victoria cheers on her son and the other kids during the day of sports
Designer parents: Victoria and Stella join their husbands David and Alasdhair Willis for their kids' sports day
Merry bunch: No doubt the other parents were chuffed to rub shoulders with such famous faces
Competitive mother: She may not be the sporty one but she sure knows her tactics when it comes to succeeding
Two birds one stone: Victoria keeps Harper entertained while keeping an eye on Cruz's competition
Ever the mother: Victoria sorts Harper's hair out while she sits in her daddy's arms
Don't be late: David and Cruz run with Harper in the buggy during the sports day
Home time: The Beckham clan head back to their car after a winning afternoon