Walks & Treks
Thames Path Challenge 2025
Take on the Thames Path Ultra Challenge 2025. Walk, jog, or run along England’s iconic river and make every step count for something special.
Dates
Sat, 13 September 2025 to
Sun, 14 September 2025
Location
Putney Bridge
Challenge yourself on the capital-to-coast route with 2,000 others this weekend.
The 100km Thames Path Ultra Challenge begins at Putney Bridge, passes by Hampton Court, and reaches Runnymede (where the Magna Carta was signed) at the 50km mark. It then continues through stunning scenery to Henley and Windsor.
This challenge will push you, but with the right preparation and support, you can do it. Prefer a shorter distance? There are 75km, 50km, 25km, and 10km options, so there’s something for everyone. There are 75km, 50km, 25km, and 10km options for all levels. Whether you go solo or with friends and family, it’s sure to be a memorable weekend.
As an official partner of the event, Guy’s Cancer Charity offers you a 50% discount on the ‘Full Sponsorship’ registration fee when you sign up to support our cause.
Take part in the Thames Path Challenge 2025 and help improve cancer care. Your support will provide patients and families with personalised care and fund important research and treatments from the Guy’s Cancer team.
For the full details of prices and to sign up visit the Ultra Challenge website.
Event information
Time
Start time 7am – 9am
Booking fee
From £50
Challenge level
Beginner - Advanced
Distance
25, 50, 75 & 100km
Fundraise for Guy's Cancer Charity
Full Sponsorship
You pay a small registration fee, do lots of fundraising and we cover the cost of your event place!
For 100km registration fee is £50, fundraising target of £575.
Mixed Funding
You pay half of the event place cost yourself, fundraise a bit less and we pay the balance of the event place cost.
For 100km registration fee is £110, fundraising target of £330.
Own Place Fundraising
You pay the full cost of the event place – fundraise whatever you can, with no set target or deadline, and there’s no event place cost at all to the charity – us!
For 100km registration fee is £199.
What you’ll get
- 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, transfer, and parking options to make getting there & away easy
- Full fundraising support, and a choice of fundraising options
- Inclusive & fun event with a great atmosphere and camaraderie
- A fully signed route, with a team of ‘Trekmasters’ out on the trail with you