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Welcome to the 40th Anniversary Swimathon!
Friday 20th – Sunday 22nd March 2026 at 450+ pools across the UK
Since 1986, Swimathon has united swimmers of all ages, abilities, shapes, and sizes in a national celebration of swimming and fundraising. In 2026, we proudly mark 40 years of this iconic event — and we’re hugely grateful you’ll to be part of it!
From a solo 500m challenge to the Team 5k, there’s something for everyone. Whether you're taking your first strokes or swimming for a personal best, it’s all about having fun and achieving your goals — all while supporting vital causes.
💛 Supporting Charities That Matter
Over the last four decades, Swimathon has raised over £50 million for charities. In 2026, we’re proud to support:
Cancer Research UK – advancing the fight against cancer
Marie Curie – supporting people living with terminal illness, and,
Swimathon Foundation – Encouraging people to swim for fitness and health benefits
Friday 20th – Sunday 22nd March 2026 at 450+ pools across the UK
Since 1986, Swimathon has united swimmers of all ages, abilities, shapes, and sizes in a national celebration of swimming and fundraising. In 2026, we proudly mark 40 years of this iconic event — and we’re hugely grateful you’ll to be part of it!
From a solo 500m challenge to the Team 5k, there’s something for everyone. Whether you're taking your first strokes or swimming for a personal best, it’s all about having fun and achieving your goals — all while supporting vital causes.
💛 Supporting Charities That Matter
Over the last four decades, Swimathon has raised over £50 million for charities. In 2026, we’re proud to support:
Cancer Research UK – advancing the fight against cancer
Marie Curie – supporting people living with terminal illness, and,
Swimathon Foundation – Encouraging people to swim for fitness and health benefits