From the Windsor Racecourse campsite, 1500 adventurers will head out on looped routes through the Great Park with fantastic views of the Castle, on to Runnymede, and along the Thames Path, taking in some wonderful countryside.
Sign up and choose between the 10km, 25km or 50km loop.
How to enter
There are 2 entry options for the Windsor 50 Challenge, formally known as the Easter 50 Ultra Challenge.
Charity funding
Pay a small registration fee and commit to a fundraising target. BHF will cover the cost of your event. As BHF is an official Ultra Challenge series partner, you’ll have access to the New Year Deal and get 75% off on Charity funding entry places (excluding 10kms and 10 miles). Please enter the code ‘HELLO2026’ to redeem the extra discount during checkout.
10km distance
- £15 registration fee
- £150 fundraising target
25km distance
-
£30 registration fee
- £275 fundraising target
50km distance
-
£40 registration fee
- £375 fundraising target
Mixed funding
Pay 50% of the event place yourself and commit to a lower fundraising target.
10km distance
-
£25 registration fee
- £100 fundraising target
25km distance
-
£50 registration fee
- £150 fundraising target
50km distance
- £75 registration fee
- £225 fundraising target
To take part, you must raise the minimum sponsorship for your distance. We require half of your fundraising target 5 weeks before the challenge to secure your place.
Please note these events are organised by Ultra Challenge. Participants raising funds for British Heart Foundation will be joined by others, raising money for different charities. Find out more on the Ultra Challenge website.