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Snowdonia Sea2Sky

Are you up for a challenge? Take on the 25k Snowdonia Sea2Sky trail run. The funds you raise will help us to get ahead of breast cancer.

Join us for an unforgettable adventure through some of Snowdonia’s most stunning landscapes. From sea level to soaring heights, this 25km challenge will test your limits and reward you with jaw-dropping views, all while raising vital funds for Prevent Breast Cancer.

Fancy challenging yourself further? We also have places available in the 53k distance. Email Becky from our team for more information.

Prevent Breast Cancer is the only UK charity dedicated to the prediction and prevention of breast cancer – we’re committed to freeing the world from the disease altogether. By running for us you’ll be raising money to create a breast cancer free future.

  • A fundraising pack, including a fundraising guide, sponsor forms and other helpful tools to help you to get sponsorship.
  • Support from a dedicated member of our fundraising team.
  • A free Prevent Breast Cancer running vest or t-shirt once you’ve hit 50% of your fundraising target.

Please make sure you read the full event terms & conditions before registering.

WHEN?

6th September 2025

WHERE?

Bath House Beach, Barmouth, Wales

Cost

£20

Fundraising Target

£200

REGISTER NOW

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Find your local events

From 5k runs to marathons, and bungee jumps to inflatable fun runs, we have a full range of exciting local events for you to take on. No matter where you are in the country, you can still take on a challenge to Prevent Breast Cancer!

Select by region on the map to find local events near you. You will always have support from a dedicated member of our fundraising team and will receive a fundraising pack to help you get started. Once you’ve signed up, a member of our team will be in touch with the next steps.

Any questions? If you would like more information, contact us today at info@preventbreastcancer.org.uk.

About Prevent Breast Cancer

Prevent Breast Cancer is the only UK charity entirely dedicated to the prediction and prevention of breast cancer – we’re committed to freeing the world from the disease altogether. Unlike many cancer charities, we’re focused on preventing, rather than curing. Promoting early diagnosis, screening and lifestyle changes, we believe we can stop the problem before it starts. And being situated at the only breast cancer prevention centre in the UK, we’re right at the front-line in the fight against the disease. Join us today and help us create a future free from breast cancer. If you have any questions or concerns, email us today.