About the challenge
About the challenge
Dates: Saturday & Sunday, 13-14 September 2025
Event type: Trek, jog or run
Location: West London
Registration Fee: £30 - £199 depending on chosen option
Fundraising Target: £150 - £575 depending on chosen option
Level: Moderate - tough (depending on distance)
Take on the Thames Path Challenge following England's greatest river. Most will walk, many will jog, some will run, and all have special reasons to push themselves. Our full Thames Path Challenge 100km route heads from Putney Bridge past Hampton Court to Runnymede of Magna Carta fame at 50km, then on past wonderful historic scenery all the way to Henley. With half & quarter distance options - there's a challenge for everyone.
WWF is an official Series Partner on all Ultra Challenge treks!
As we are an official Series Partner, you can get 50% off charity sponsorship registration fees. Find out more here
Join the challenge
Join the challenge
The route and distance options:
Full (Continuous or 2-day) Challenge (100km) - Putney to Henley
3/4 Challenge (72km) - Hurst Park to Hanley
1st 1/2 Challenge (50km) - Putney to Runnymede
2nd 1/2 Challenge (50km) - Runnymede to Henley
1st 1/4 Challenge (28km) - Putney to Hampton
2nd 1/4 Challenge (22km) - Hampton to Runnymede
3rd 1/4 Challenge (28km) - Runnymede to Cookham
4th 1/4 Challenge (22km) - Cookham to Henley
Registration fees and sponsorship targets*:
Charity sponsorship - pay a small registration fee and fundraise more to support vital conservation work:
Full Challenge (100km) - £50 registration fee + £575 in fundraising
Three-Quarter Challenge (72km) - £45 registration fee + £475 in fundraising
Half Challenge (50km) - £40 registration fee + £375 in fundraising
Quarter Challenge (22/28km) - £30 registration fee + £275 in fundraising
Mixed Funding - pay a higher contribution to the cost of your place and fundraise less:
Full Challenge (100km) - £110 registration fee + £330 in fundraising
Three-Quarter Challenge (72km) - £90 registration fee + £270 in fundraising
Half Challenge (50km) - £75 registration fee + £225 in fundraising
Quarter Challenge (22/28km) - £50 registration fee + £150 in fundraising
Own Place Charity Fundraising - pay for your place and fundraise whatever you can
Full Challenge (100km) - £199 joining fee + fundraise what you can
Three-Quarter Challenge (72km) - £169 joining fee + fundraise what you can
Half Challenge (50km) - £139 joining fee + fundraise what you can
Quarter Challenge (22/28km) - £89 joining fee + fundraise what you can
For Charity and Mixed Funding options, you will need to raise 50% of your fundraising target at least three weeks before the event in order to confirm your place on the day.
How we support you
How we support you
We're with you every step of the way towards event day with advice and information so you can just focus on your training and fundraising. We'll also provide:
- Our fundraising pack to help you achieve your target
- Walkers pack including WWF t-shirt and headband
- Exclusive access to our private Team Panda Facebook Group
- Online training hub to help you prepare safely for your challenge