Katie, from Coventry, said: "I told my daughter I would be number one, so I had to be!
"I could see she was winning - so I just gave her a quick nudge, and she took off in the air.
"I don't know what possessed me to do it, I was just thinking about how I wanted to win so badly!
"I didn't know the mum very well - everyone was shocked, but we just carried on as normal afterwards.
"If you see this, sorry that I pushed you - I didn't mean to send you flying!
"I don't regret it though, because I won!"
Katie's victory was inspired by another Katie, who famously faceplanted during a parents' race at her daughter's school sports day – and mooned the crowd.
Katie Hannaford, 36, called it the "funniest thing I've ever done" after experiencing a whirlwind week when a clip of her falling during a sports day race made its rounds across the internet.
The mum-of-two attended her daughter's school event and participated in all the fun. However, things went head over heels when Katie accidentally tripped and exposed her bum to a crowd of shocked onlookers.
Katie has since been given an award for her efforts, saying the trophy brought a "new level of laughter" when it arrived in the post and lives pride of place in her bedroom.
Credit: Amy Reast, SWNS.
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