You can find out more about the challenge on the organiser’s website.
This event is organised and hosted by RunThrough and Active Training World.
We'll support you all the way

Breast Cancer Now running vest or cycling jersey and swimming cap

Plenty of fundraising and training support

Regular e-newsletters to keep you up to date

Support from a dedicated member of the team
Why your support matters
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39% of women
Over a third of women in the UK do not check their breasts regularly for potential signs of breast cancer.
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55,000 women
Around 55,000 women and 400 men are diagnosed with breast cancer every year in the UK.
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1 in 7 women
One in seven women in the UK will develop breast cancer in their lifetime.
Ask us about the Dorney Triathlon
Have a question about the triathlon? You can call us on 0345 092 0804 or pop us an email.