Run 4K This might take some prep. 4k is a lot to achieve if you're starting from the sofa. But let people know you are setting yourself the challenge. Set up a fundraising page, either on our Website or on Facebook. Take photos, make videos, live stream however you decided to share your challenge add the link to your fundraising page with friends and family and help One in Four some vital funds. Our fundraising Team Eva and John are at home working and can support you set up your fundraiser.