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Windsor 50 Ultra Challenge 2027

Get a 50% registration fee discount when using the code 'PCRDEAL50' (valid until the 30th November 2026).

Date: Saturday 17th April 2027
Location: Windsor & Thames Path
Distance: 10km/25km/50km

Take on the challenge, support vital research!

Get outdoors and onto the trails after the Easter holidays with stunning 50km, 25km, and 10km routes around the historic town of Windsor.

Walk, jog, or run your way to the finish line whilst fundraising for Prostate Cancer Research. 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. 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. There’s nothing like the sense of achievement after completing an Ultra Challenge. Push yourself further in 2027 and take on the Windsor 50 Ultra Challenge

Register today and use the code PCRDEAL50 to get a 50% discount on the registration fee when selecting the charity sponsorship option. This code is valid until the 30th November 2026.

Please note that you will need to register with the organisers directly and registration fees and sponsorship targets will vary depending on the funding option and distance that you chose.

If you have any questions about joining our team, please contact our events team at [email protected] and we will be happy to help!

Join #TeamPCR at for the Windsor 50 Ultra Challenge and help fund research to save the lives of men with prostate cancer.

Frequently asked questions:

What funding options are available?

To support Prostate Cancer Research, you can choose from the following funding options:

Sponsorship for Charity – pay a small registration fee and fundraise and we’ll pay to cover the remaining cost of your place
Mixed Funding for Charity – pay for half your place cost, fundraise less and we’ll pay to cover the remaining cost of your place
Own Place (Self-Funded) for Charity – pay for your place in full and fundraise whatever you can as part of #TeamPCR

Each option varies on registration fee and fundraising target amounts depending on which distance you’d like to do. For these details check out the list in the Costs & Fundraising section.

Will I receive a PCR t-shirt?

T-shirts will be posted approximately six weeks before event day. We will be in touch before then to confirm.

What is the deadline for fundraising?

All sponsorship goes direct Prostate Cancer Research via your online JustGiving page (which you will need to set up)

At least 50% of the ‘sponsorship target’ should have been raised 3 weeks prior to the Challenge. At this time the we agree to pay a fee for your place to the Ultra Challenge Organiser.

Failure to meet the deadline may result in cancellation of your place.

The remaining 50%, and any extra, should be raised by 4 weeks after the Challenge.

When does registration close?

All charity sponsorship and mixed funding places close 4 weeks before each challenge, so that you have enough time to fundraise and reach your target. Self funding places close for online registration on the Tuesday before each challenge.

Can I take part as a team?

Yes – Please let us know if you wish to take part as a team, you can then create a team fundraising page on Just Giving. However, please be advised that the minimum fundraising targets remain per person (not per team), so you will need to reach the combined total fundraising amount on your page for your group.