...Instead of spending that pound on a cuppa or cake please pop along and donate it to a good cause! 

or

Think about the older generation being supported by the great people at RVS and spare them a thought....and a penny or two! RVS and I will be extremely grateful for your support no matter how large or small the donation. 

It will also help me gain my motivation back... 2 years out and 26 miles seems longer than ever before!