40 Years. 40 Miles. 40 Days.

40 Years. 40 Miles. 40 Days.

Join Rainbow Trust Children’s Charity in 2026 as we celebrate our 40th anniversary with a nationwide challenge that’s flexible, inclusive, and full of heart.

Take on 40 miles over 40 days, your way. Walk, run, cycle or swim. Take part anywhere. Choose any 40-day period during 2026. Every mile you complete helps support families with a seriously ill child.

What Is the Challenge?

The 40 Miles in 40 Days Challenge invites you to move at your own pace while making a real difference. Whether you’re walking the dog, running with friends, or fitting in miles around family life, every step counts.

This special anniversary challenge is designed to fit around you - no pressure, no competition, just purpose.

How It Works

1. Sign up
Register from just £4 and secure your place in this landmark challenge.

2. Choose your 40 days
Pick any 40-day period during 2026 that suits your lifestyle.

3. Complete your miles
Walk, jog, run or swim - alone or with others - wherever you are.

4. Fundraise & share
Raise a minimum of £40 and help us reach more families by sharing your journey.

Why Take Part?

For 40 years, Rainbow Trust has been there for families when they need support most. By taking part, you’ll help us continue providing expert emotional and practical care to families with a seriously ill child.

Your challenge:

• Supports families facing unimaginable circumstances
• Helps Rainbow Trust reach more people across the UK
• Creates awareness through social sharing and fundraising
• Marks a powerful milestone in our charity’s history

Your Reward

Raise £40 or more and you’ll receive a special 40th Anniversary medal - a meaningful keepsake to celebrate your achievement and our shared impact.

• Exclusive anniversary design
• Wooden medal with commemorative overprint
• A symbol of 40 years of care

Want to go the extra mile? You can also choose to add a Rainbow Trust t-shirt or Rainbow Hair when you sign up.

Who Can Take Part?

Everyone is welcome.

• Individuals, families and friends

• Parents and carers

• Workplace teams and social groups

• Experienced runners or complete beginners

All that matters is your commitment to completing your miles and supporting families in need.