Thames Path Ultra 2027
11th-12th September, 2027
Follow the Thames on this unforgettable Ultra Challenge adventure
Use code: CWCDEAL10 to get £10 registration, excluding 10km and 10 mile challenges.

- London
- Saturday 11th September, 2027
- [email protected]
About The Thames Path Ultra 2027
Starting from Putney Bridge, the epic 100km route follows the iconic Thames Path upstream through Richmond, Hampton Court, Runnymede and Windsor, with stunning riverside scenery all the way to a memorable finish in Henley. Whether you sign up solo or as a team, you’ll enjoy full support throughout, including regular rest stops, food and drink, a finisher’s medal, commemorative T-shirt, and a celebratory finish-line experience.
Not ready for the full 100km? Choose from the 50km, 25km or Henley 10km options. However far you go, there’s a Thames Path Challenge waiting for you.
Push yourself further. Take on an Ultra Challenge.

How to Join
Sign up online below. Confirm the distance you’ll take on; choose a funding option which suits you – and pay the appropriate Registration Fee.
You’ll get a Confirmation Email, which includes a link for you to set up your online JustGiving sponsorship page.
If you have any questions, please email [email protected]
Fundraising Options
Option 1
CHARITY
FUNDRAISNG
Pay a small Registration Fee & Fundraise for your Charity (who then pay for your place)
100KM
£10 Reg Fee & at least
£575 fundraising/sponsorship
75KM
£10 Reg Fee & at least
£475 fundraising/sponsorship
50KM
£10 Reg Fee & at least
£375 fundraising/sponsorship
25KM
£10 Reg Fee & at least
£275 fundraising/sponsorship
Option 2
SELF FUND
WITH FUNDRAISING
Pay for your place & fundraise whatever you can (no event place cost for the charity)
100KM
£199 Fee paid online &
fundraise whatever you can
75KM
£169 Fee paid online &
fundraise whatever you can
50KM
£139 Fee paid online &
fundraise whatever you can
25KM
£89 Fee paid online &
fundraise whatever you can
Where your money goes
Every contribution is carefully allocated to fund critical research, provide essential resources to families, and drive greater awareness.
HOW WE USE
EVERY
£1
| Fighting childhood cancer | |
|---|---|
| Research | 44p |
| Supporting Families | 15p |
| Raising Awareness | 21p |
| Funds to support our cause | |
|---|---|
| Fundraising | 20p |
Cancer diagnoses
Every day, around 10 children and young people in the UK are diagnosed with cancer.
New treatments
8 out of 10 young cancer patients can now receive successful treatment, thanks to the specialist research we help fund.
Safer therapies
We are committed to developing safer and more effective childhood cancer treatments with fewer toxic side effects.
Funding research
We invest in crucial childhood cancer research that would otherwise go unfunded.
Help to fund lifesaving research
Every step helps fund research into childhood cancers, creating better treatments and brighter futures.
Support for families
in crisis
Your run provides emotional and practical support support for families families facing the challenges of a cancer diagnosis.
Become a champion
for change
You’ll raise awareness and vital funds, helping to ensure no child faces cancer without hope for a brighter future.
Read more about the Ultra Challenge Series, and see if there’s another event that takes your fancy.