Get outdoors and onto the trails after the Easter holidays with stunning 50km, 25km, and 10km routes around the historic town of Windsor. From basecamp at Windsor Racecourse, join 2,000 Challengers heading out on trails through the Great Park, past the Castle, on towards Runnymede, and back along the Thames Path, before heading back to basecamp for your finish line. This flat & fast route is popular for first time Challengers looking to take on their first ultra, or people trying to go for a quicker time. Join as an individual or as a team and experience full support every step of the way with regular rest stops packed with food & drink, hot meals, fully marked routes, massage & medical care, marshals on course and walking the route with you, and of course an unbeatable community.
• Walk, Jog, or Run • 50km, 25km, 10km Options • Food & Drink • Medal & T Shirt
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, we're able to offer Charity Funding places for just a £5 registration fee till 30 September 2026.
10km distance
- £15 registration fee
- £150 fundraising target
25km distance
- £30 registration fee
- £275 fundraising target
50km distance
- £40 registration fee
- £375 fundraising target
Self funding
As a Self Funder you'll pay the full cost of the event place. And you can fundraise however much you'd like.
10km distance
25km distance
50km distance
To take part, you must raise the minimum sponsorship for your distance. We require half of your fundraising target 4 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.
