It's 14 years since one man decided he was going to organise a weekly running event in his local park, free and open to everyone to take part.
Now, more than a million people across the world lace up their running shoes and head out every Saturday to race in a Parkrun.
As part of our series Spring into Action, Teresa McMahon went to her local park in Salford to see just what gets runners out on a weekend.
Keeping fit isn't easy and watching fitness videos with skinny celebs and perfectly toned models can make the effort seem much harder.
The great-gran spends up to three hours a day digging her allotment in New Moston, Manchester, where she has lived for 24 years.
In the last of our Spring into Action series, we visit a farm where people are choosing to get fit and de-stress in a rather different way.