WBTS (What's behind the smile) & Children with cancer UK

I am running the Brisbane marathon on the 1st of June and would like to raise money for two charaties with the money split 50/50 between Children with cancer UK and What's behind the smile. Children with cancer UK helps fund life-saving childhood cancer research and support for children and their families through treatment and beyond. What's behind the smile is a smaller local charity which offers help to those suffering mental health anguish. Any donations would be great.

Thanks

Marc