Trip to Kenya for 4 weeks

There’s a chance for me to go on a trip to Kenya for 4 weeks in 2019. I’m going out there to build houses and schools for children and to give hem a better life. It will be a good experience however the trip costs £3700 and you have to raise it all yourselves. So I’m going to be doing anything I can including a half marathon with my friends, fun runs, cake sales and things like that so if you could sponsor me that would be amazing.