Mary joined runners in Wakefield to celebrate the 12th anniversary of parkrun on Saturday in Thornes Park. parkruns take place up and down the country, and one million people have taken part since the first in 2004.
parkrun UK supports local volunteers to establish free, weekly, timed runs for their communities, which are accessible to both runners and walkers of all ages and abilities.
Saturday 5k events are open to everyone, and 2k junior parkrun on Sunday is for children aged from 4-14.
Since the first parkrun in 2004, more than one million people in the UK have taken part. Each weekend sees around 90,000 runners and walkers participating in the free 5k and 2k events, thanks to the contributions of 10,000 volunteers.
See parkrun.org.uk/wakefieldthornes for more information.