Walk, jog, or run the looped routes through the Great Park with views of Windsor Castle, along the Thames Path with special Easter surprises on the way.
Make Easter special this year with a 25 or 50km charity ultra
All set for an active and adventurous summer with a wonderful challenge for charity.
Taking on an ultra trek or run is a serious challenge and tough for most people, but also achievable with the right training and plan which you'll get access to when you sign up. This challenge is fully supported meaning they're the perfect way to have-a-go at a longer distance.
This could be your challenge of this special year! Signing up now gives you plenty of time to prepare, train and fundraise.
"This was the first time that I have ever done a challenge like this. It was brilliantly organised and sign posted. The rest stop offered fantastic choice and amazing pastries. The prosecco at the end was very welcome! Great sightseeing!" Nikki
"4 stone lighter, fitter, stronger"
"I had surgery in June 2017 and the only thing was able to do afterwards was walk... so that's what I did ! 4 stone lighter now and fitter and stronger than I have ever been." Mark
"Completed 4 of the 100K Ultra Challenges!"
"Lost weight, started running after never being sporty at all as I had been very overweight since I was a child. Now I have completed 4 of the 100k Ultra Challenges!" Lisa
Fundraising for a cause close to your heart is part of the challenge and you'll receive a wealth of support, advice and tips from your chosen charity to make sure you smash your fundraising target.
Rest stops every 12.5km | Rest areas | Challenge App | Finish times & Certificate | Medics & First Aid | Hot food, snacks & drinks | Chip timing & tracking | Full route signage & maps | Emergency support | Sports massage | Medal, finisher T-shirt & fizz! | Free shuttles
Variety of payment options depending on:
Click 'Find out more' and select one of the participating charities. These are the leading charities offering the best deals on entry.
To find out whether you can take part for a charity not listed, simply visit the charity website.
Get instant access to full challenge details including how to sign up.
Full details about costs and fundraising.
If you would like any help or advice, please contact our helpdesk.
Do it for charity and fundraise for your chosen cause - choose a charity below to get started.
The largest collaboration of reproductive health researchers in the UK.
The Genesis Research Trust, founded by Lord Robert Winston, has been instrumental to the investigation of causes of premature birth, stillbirth, miscarriage and infertility and progress of finding ways to diagnose and treat them.
One in eight couples struggles to conceive and nine babies are stillborn in the UK every day so the Trust is seeking to ensure new research is conducted and breakthroughs continue to be made as quickly as possible.
Registered no: 292518
It’s time to support children in the UK who feel scared, unloved and unable to cope.
The Children's Society works with the country's most vulnerable children. With their 2019 Good Childhood Report showing young people's happiness to be at its lowest since 2009, they continue to listen, support and act with the belief that no child should feel alone.
Issues affecting children are increasingly complex and funds you raise could help with current initiatives such as preventing exploitation, ending child poverty and supporting young carers or those with mental health concerns.
Registered no: 221124
Providing specialist dementia support for families through their Admiral Nurse service.
Dementia UK's Admiral Nurses offer one-to-one support, expert guidance and practical solutions that can be difficult to find elsewhere. They believe that everyone who needs the support of a specialist dementia nurse should get one, and are working hard to increase the number of Admiral Nurses across the UK.
With your help £27 could pay for an Admiral Nurse for an hour or £70 could help fund a Helpline Admiral Nurse for two hours.
Registered no: 1039404
Know Diabetes. Fight Diabetes.
Someone is diagnosed with diabetes every two minutes. Diabetes UK is working to prevent Type 2 diabetes, campaign and support people affected by diabetes and fund research that will ultimately lead to a cure.
From your fundraising support £50 could buy a research kit to analyse changes in immune cells and £100 can fund half an hour with their helpline to give much needed advice.
Registered no: 215199
Helping people face cancer with confidence.
Look Good Feel Better (LGFB) is the only international cancer support charity that helps women, men and teenagers manage the visible side effects of cancer treatment. Our aim is to greatly increase people’s confidence and self-esteem at a very difficult time in their lives.
Registered no: 1031728
Granting magical wishes to children fighting life-threatening conditions.
Make-A-Wish UK has granted more than 13,000 life changing wishes to children with critical illnesses, whether it be a holiday, a bedroom makeover, meeting a hero, or a day out - all with the aim of wonder, joy and hope at a time of most need.
Of money you raise, £7 could buy a bucket and spade to play in the sand on a holiday wish or £50 could pay for a football shirt for a child to wear watching their team play.
Registered no: 295672/SC037479
Every childhood is worth fighting for.
The NSPCC specialises in child protection by changing UK laws, seeking to protect children at risk of abuse or supporting children that have been abused to rebuild their lives.
Around 90% of their income comes from public donations where just £3 could pay for their Speak out. Stay Safe programme to reach a child in primary school or £40 could pay to answer 10 Childline calls from children in need of help.
Registered no: 216401/SC037717
Find a cure and improve life for everyone affected by Parkinson’s.
Around one UK adult in every 350 is diagnosed with Parkinson's, a progressive brain condition that can affect movement, sleep, memory and mental health.
Parkinson's UK funds ground-breaking research into a cure and new treatments, campaigns for better awareness and provides support to people affected by Parkinson's.
You can help raise funds where £20 funds an hour of specialist nursing care, £48 funds a clinical researcher for two hours or £140 pays for ten helpline advisers to provide advice and information.
Registered no: 258197
Pioneering new cancer treatments to create a future beyond cancer.
The Royal Marsden Cancer Charity supports world leading care at The Royal Marsden Cancer Centre through innovative research and investment in pioneering equipment and facilities. Their research, including clinical trials, gives patients across the world access to new treatments.
Registered no: 1095197
Saving more women's lives through early diagnosis and treatment.
In the UK, 7,300 women are diagnosed with ovarian cancer every year and 11 women die every day. Target Ovarian Cancer works to improve early diagnosis, fund innovative research and provide help and support to women affected.
£25 could help 100 people learn about ovarian cancer symptoms or £50 could provide updated knowledge to 100 GPs.
Registered no: 1125038
Providing clean water and decent toilets to everyone, everywhere.
Across the world, one in ten people do not have clean water nearby. WaterAid is influencing governments and working across 28 countries to make access to clean water, toilets and hygiene the norm. Since 1981 they've helped over 27 million people, but want to reach everyone.
£10 you raise could buy one metre of pipe that will deliver clean water where needed.
Registered no: 288701 / SC039479
Pay the sign-up fee to secure your place on the challenge.
Commit to fundraising this amount for charity. The cost of the challenge is deducted from your fundraising and the charity receives the balance.
25km £5 entry + raise £245. 50km £10 entry + raise £395. Click 'Find out more' for discounts.
This is your chance to do something amazing and support a fantastic cause - don't let the fundraising put you off! Charities are great at helping people fundraise and you're going to have heaps of fun in the process.
Get in touch with the team now to find out more and secure your place in the challenge.