Thames Moonlight Walk 2025 - The Lily Foundation
The Lily Foundation logo featuring a butterfly, hearts and an 'x' for a kiss

Fighting mito,
finding hope.

Four Lily Fundraisers, laughing, covered in mud at a Tough Mudder event Four Lily Fundraisers, laughing, covered in mud at a Tough Mudder event

Thames Moonlight Walk 2025

Big Ben and the Houses of Parliament lit up at night under a moonlit sky

Ultra marathon run/walk

Date: 12 Sep 2025

Sign-up fee: £10 and upwards

Step into the moonlight and experience London like never before! Choose a spirited 10k or an energetic 10-mile looped walk through the heart of the capital, just as the moon rises and the lights of the city start to shimmer.

You’ll pass iconic landmarks including St Paul’s Cathedral, Westminster Abbey, Tower Bridge, the London Eye and more – all aglow in the evening atmosphere.

At the finish line, enjoy a glass of fizz, a special Moonlight medal and some well-earned hot food and drink.

Whether you walk for fun, fitness or to fundraise, this unique night walk is a wonderful way to experience this beautiful city in a different light.

Visit Action Challenge to explore funding options and sign up today!