Jurassic coast might hike

I am raising money for a charitable cause that is very important to me, my Grandad, father inlaw have all passed due to this vile disease and my nan is currently Ill with it, so please donate and help me reach my target in aid of Macmillan Cancer Support. The walk takes place on sept 5th and its a 26 mile trek over the coastline hills. Anything you can contribute towards helping me achieve my target will be massively appreciated. 

Thank you.