Thousands of runners took part and many supporters lined the streets.
See if you can spot yourself or someone you know in our bumper gallery.
5. Chorley 10k and Family Fun Run
Thousands of runners took part in the Chorley 10k and Family Fun Run. Photo: Michelle Adamson
6. Chorley 10k and Family Fun Run
Chorley School sports partnership entertain the crowds between races. Photo: Michelle Adamson
7. Chorley 10k and Family Fun Run
Action from the Chorley 10K. Photo: Michelle Adamson
8. Chorley 10k and Family Fun Run
The action took place on Sunday at Astley Park. Photo: Michelle Adamson