Schoolchildren running a mile!
It was the idea that won an award at the Pride of Britain Awards and is now being taken on by schools up and down the country.
Head teacher Elaine Wylie won Best Teacher for her scheme to get her schoolchildren to run a mile a day every day to combat child obesity.
Thorner Church of England Primary School in Leeds' PE teacher visited St Ninians, and they now include 15 minutes of running in their school day - so we sent Katy Rickitt to join in!