April, 2025
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Mary Nassiri’s experience of running a marathon during her cancer treatment – ICR
Apr 10, 2025, 11:00

Mary Nassiri’s experience of running a marathon during her cancer treatment – ICR

The Institute of Cancer Research shared a post on LinkedIn:

” ‘During my cancer treatment, running a marathon became my goal’

Mary Nassiri, 47, was diagnosed with breast cancer in March 2021, just six months after her sister received a similar diagnosis. During her treatment, she promised herself that once recovered, she would run a marathon.

Now, four years on, she is preparing to take part in the 2025 London Marathon and in doing so, is raising funds for our vital research. Having had surgery and four rounds of chemotherapy, Mary is now well, but will remain on long-term hormone treatment. She appreciates the need for further research.

‘I feel very lucky that I was diagnosed early, treated successfully and that I am now well. I know that this is down to research that has been done in the past. My type of cancer may have been quite straightforward to treat, but new trials and the discovery of new drugs will play a crucial part in better outcomes for those with harder-to-treat cancers.’

‘I am grateful for the work of cancer researchers in the past and I know that if any of my family or friends were to be diagnosed with cancer in future, it will be cancer research that helps them.’

In 20 days, Mary will take on her first London Marathon, running distances she has never run before. Thinking about the reason she is doing it and the money she is raising will help keep her positive, determined and excited to reach the finish line. Good luck to Mary and to all our Team ICR runners as they prepare for the event. To support Mary and read her story, visit here.”