Thames Moonlight 10 Challenge 2025

Participants at the Thames Moonlight

Take on either a spirited 10km or an energetic 10-mile walk through the heart of London.

Experience the capital in a different light, passing famous landmarks – including St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more.

With 10km and 10-mile challenge options available, there's a challenge for everyone. You can join as an individual or as a team.

Event details

12 Sept 2025

London

Fundraising pledge: £75 - £150

Registration fee: £10 - £49

A little girl sitting on a hospital bed

Why we need you

Great Ormond Street Hospital Charity (GOSH Charity) needs your support more than ever. By fundraising, you'll help to fund:

  • groundbreaking research
  • advanced equipment
  • children and family support services
  • the rebuilding and refurbishment of wards and medical facilities within the hospital

Why trek for GOSH Charity at the London 2 Brighton Challenge?

As part of TeamGOSH, you'll receive:

  • A GOSH Charity t-shirt

  • Dedicated support from GOSH Charity's Challenge Events team

  • Inclusive and fun event with a great atmosphere and camaraderie

  • A fully signed route, with a team of ‘Trekmasters’ out on the trail with you

  • An epic finish line moment, with a medal and glass of fizz