I've done the Kiltwalk a number of times now. It's got a great atmosphere and it's a bit of a challenge but it raises money for good causes. 

In my case it's going to CSREC which is one of the many regional equality councils strategically positioned around Scotland to provide advice and assistance to people experiencing discrimination and hate crime. They also distribute food donations and have run some really good environmental projects. 

CSREC is based in Falkirk and serves central Scotland. There is bound to be a regional equality council near you. They all work hard and need our support.