While there is no 'official charity' program for the B.A.A. Half Marathon like there is for the Boston Marathon, Dana-Farber Cancer Institute and the Jimmy Fund field a large team of runners every year who, through fundraising, help them further cancer research. If you’re interested in participating on behalf of Dana-Farber, please visit the B.A.A. Half Marathon page on our website for more information. Learn More Charities B.A.A. Half Marathon Registration How do I enter the B.A.A. Half Marathon through the official charity program?