Just stumbled across this on FaceBook,
http://machrun.co.uk/?fbclid=IwAR08XVXrfrKH1obBW9Dxl887DJh_ykSONWepDl_QzAsYU0QR53H54fEi9V0
The main event is on the 29th of September 2019 but it looks like they are having a mini-run on the 7th of July.
If you look up 'mach run' on Facebook the details...