Siriol Griffiths is making a unique journey across Wales. She's walking the entire outline of the country.
Watch the report from Rob Shelley below:
She set off on the 1st of June, raising money for Pancreatic Cancer UK.
Her father was diagnosed with the disease in 2012 and died just six weeks later.
Siriol decided on the challenge as a way of coming to terms with her grief and raising awareness.