A man in a green swim cap and wetsuit climbs out of open water next to a large Macmillan Cancer Support banner.

Swim, ride and run for Macmillan

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Sign up
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Train and fundraise
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Swim, ride & run
Three people photographed from behind with their arms around each other wearing green Macmillan running tops

Why your support matters

Find out how your support helps people living with cancer and the ways we make a difference.
Why your support matters

Fundraising support

Training essentials

We want to make sure you get the basics right for each stage of your triathlon. Check out the top tips and practical advice on our swimming, cycling, and running pages. But come back for your triathlon specific training plans.