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12-13 September 2026
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Putney Bridge to Henley
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- Cost: £20 / £30 / £40 / £45 / £50 depending on distance. Minimum fundraising: £100 / £275 / £375 / £475 / £575 depending on distance.
England’s greatest river provides a fantastic backdrop for an unforgettable challenge. Over 3000 adventurers will join the Putney Bridge start, and the full 100km route heads upstream to Henley along the famous Towpath. It’s through Richmond, Hampton Court, Runnymede, and Windsor, with some wonderful scenery to a riverside finish line. With three quarter, half, quarter distance options also available – plus the separate 25km ‘Thames Bridges Trek’ & ‘The Moonlight 10 Walk’ through Central London as part of the weekend ‘festival’ – there’s a Thames Challenge for everyone!
Challenge Highlights
The Thames is steeped in history, and the route heads upstream to Henley taking in Richmond, Hampton Court, Runnymede, Windsor, Eton, and some wonderful countryside along the way.
As Rainbow Trust are an official partner on this event, you get a 25% discount on the registration fee when signing up to support us.
WHAT YOU’LL GET:
- Inclusive & fun event with a great atmosphere and camaraderie
- Choose your distance - 100KM/72KM/50KM/25KM/10K
- Walk, jog, or run – it’s your challenge, your way!
- A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
- Regular covered rest stops, with free food & drink, massages and medics
- An epic finish line moment, with a glass of fizz, medal and t-shirt
- Camping and transfer options to make getting there & away easy
- Full fundraising support, and a choice of fundraising options