I am walking with two close friends - Polly and Sara - and we love to walk and talk!  We are joining hundreds of other trekkers as we make our way around London's most iconic sights and raise money so together we can find a cure for dementia.  I lost my lovely dad to the disease in 2016 after a 9-year battle and we all feel it's important to do our bit to help find a cure for this awful disease that impacts so many.