IronMay Challenge

The IronMay Challenge. Run 26.2 miles, swim 2.4 miles and bike 112 miles

Join the challenge

Complete an extreme triathlon across May, all for life-saving research.

Sign up free and you'll receive:

An Online Giving Page

Digital fundraising pack

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Gloria's Story


“I asked the oncologist, am I going to die?” Gloria was diagnosed with breast cancer in September 2018. “I found a lump on my right breast and was shocked to see it was bruised and peeling. I had surgery to remove the cancer and was relieved to find that it hadn’t spread. Cancer has been the making of me in some ways; it has given me the impetus to do the things I’ve always wanted to do, like taking up ballet and singing.”

Thank you for taking part in the IronMay Challenge, the money you raise helps fund life-saving research for people like Gloria.

The difference your money makes

Scientist in lab

1 in 2 of us will get cancer in our lifetime.* All of us can play our part to help beat it.

Thanks to your support, we can continue to fund life-saving research. Our goal is for 3 in 4 people to survive their cancer by 2034 and every step we take towards beating cancer relies on every pound donated.

*Ahmad AS et al, British Journal of Cancer, 2015

Take on the IronMay Challenge and play your part in beating cancer.

Sign up now