The previous page is sending you to https://blogs.cardiff.ac.uk/alumni/cy/2024/03/01/roeddwn-in-argyhoeddedig-na-fyddwn-i-byth-yn-gallu-rhedeg-eto-cymryd-rhan-yn-hanner-marathon-caerdydd-ar-gyfer-ymchwil-canser/.

 If you do not want to visit that page, you can return to the previous page.