Alison Hitchcock, co-founder of the national cancer support charity From Me to You, and her friend Siobhan McFeely, are embarking on a 1,000-mile cycling journey from Land’s End to John O’Groats in just 21 days. The goal of this challenging ride is to raise funds for the charity that Hitchcock helped set up in 2017. From Me to You encourages people to write handwritten letters to those living with…