Starts in Boston, Lincolnshire and crosses into Northamptonshire, Leicestershire, Oxfordshire, Gloucestershire, crossing through the Cotswolds, Somerset and finishes in Abbotsbury in Dorset.
The route was set up years ago to raise awareness of Macmillan Cancer Support Charity.
The route passes through some of the most beautiful of the British countryside and is not a well trodden path, so it really takes you to some remote areas.
On the website it's marked as 287 miles, however the online gpx file is out of date, given now they're building HS2 and many building developments have popped up and new farm boundaries. This is therefore the most up to date route that I followed.
Wow, Laura! What a fantastic achievement - the run and the fundraising. Very inspiring :)