• 12-14 June 2026

  • Lake Windermere

    Lake Windermere

    • Cost: £30. Minimum fundraising: £250.

The Great North Swim is the UK’s biggest open water swimming event, held over a festival weekend in the stunning surroundings of Lake Windermere in the Lake District, offering charity swimmers various distances, making it perfect for every ability level and fundraising mission. With a fully supported course, a vibrant event village, breathtaking scenery and a welcoming atmosphere, participants not only get an unforgettable open?water experience but also raise vital funds for causes close to their hearts.

Charity swimmers benefit from dedicated support — including training guidance, fundraising resources and motivational encouragement right through to event day — helping you smash your goals while creating impact with every splash. Whether you’re taking on your first open water challenge or pushing the distance further, the Great North Swim turns your swim into meaningful change and celebration alongside thousands of like?minded fundraisers.

Why Fundraise for Rainbow Trust?

When you join our team, you’re not just signing up for a race - you’re helping to change lives.

  • Make a real difference – Your fundraising will go directly towards providing vital care and support for seriously ill children and their families.
  • Be part of our community – Join fellow Rainbow Trust runners, wear your vest with pride, and feel the motivation of running for something bigger.
  • Support from start to finish – From the moment you sign up, our events team will be there with training advice, fundraising tips, and encouragement every step of the way.

What You’ll Receive as a Rainbow Trust Runner

  • A free Rainbow Trust running vest to wear on race day
  • A dedicated fundraising pack full of ideas and resources
  • Regular emails to keep you on track with your training and fundraising
  • The knowledge that your miles are making a genuine impact

How to Join Team Rainbow Trust

  1. Complete your sign up on this page
  2. Pledge to raise £250 to support our vital work.
  3. Start training, start fundraising, and get ready to experience one of the most exciting races in the UK.

For more information please contact the Events Team [email protected] or 01372 220039

Please read our Rainbow Trust Sports Challenge Terms & Conditions before signing up.