It began almost 20 years ago in London. Now thousands take part in 2,000 locations in 22 different countries.

And almost every Saturday, hundreds from all over Norfolk take part in Parkrun – a free 5k event which is timed.

Everyone is welcome, whether you walk, jog, run, volunteer or spectate.

On one chilly morning in December, UEA Journalism’s, Zoë Johnson, went to Colney Lane in Norwich for a rather special event.