When is it? Ultra Challenges® take place throughout year - please check website for dates.
Where is it? Challenges take place in a variety of locations across the UK - please check website for locations.
What does it cost? Please visit the Ultra Challenge® website for different funding options
Push yourself further
Looking for a challenge – to test yourself, to get in shape, or bond with friends on a weekend adventure? If so, an Ultra Challenge® is for you – and you don’t need to be a budding elite athlete – they’re for everyone, take it on at your own pace and fundraise for Rennie Grove Peace Hospice Care.
Whether along stunning coastlines, or trails through wonderful countryside, your Ultra Challenge® will be unforgettable – with full support all the way, camaraderie, an amazing sense of achievement.
Walk, jog or run at YOUR pace on the Ultra Challenge® Series event of your choice. Expect a fully signed route, regular rest stops with plenty of food and drink, medical support, and an incredible atmosphere.
Join thousands of other adventurers of all ages and take on an unforgettable challenge in 2026!
Browse the full calendar of events and sign up through the official Ultra Challenge® website. Once you’ve registered, let us know so we can support your fundraising journey.
London Summer Walk – Saturday 22 August 2026
Taking place on 22 August 2026, the London Summer Walk starts and finishes at the grand Woolwich Royal Artillery Barracks, with excellent links via the Elizabeth Line, DLR and Overground. Routes of marathon (42km), 25km and 10km wind through some of London’s most historic and lesser-explored eastern landscapes: past the Cutty Sark, over Tower Bridge, through Canary Wharf, and along the Thames to the iconic O2 and Barrier. Full route support, rest stops with snacks and drinks, and a finishers BBQ, bar and medal await you at the end. Fancy pushing yourself? Try the new Ultra March category, aiming to complete the marathon distance in under 8 hours.
Thames Path – Saturday 12-13 September 2026
Taking place on 12 and 13 September 2026, the Thames Path Challenge follows England’s greatest river upstream from Bishops Park in Fulham all the way to Henley-on-Thames, passing through Richmond, Hampton Court, Runnymede, and Windsor along the famous towpath. With distances ranging from a 10km riverside loop to a full 100km, there is a route to suit everyone, whether you are walking, jogging, or running. The full 100km can be completed continuously or spread across two days with an optional camping package at the halfway point. Full route support is provided throughout, with rest stops, free food and drink, medical teams, and a finishers’ meal and medal waiting at the end.
South Coast Ultra – 5-6 September 2026
Taking place on 5 and 6 September 2026, the South Coast Challenge starts in Eastbourne and follows the spectacular South Downs Way through some of England’s most breathtaking coastal scenery. The route climbs Beachy Head, crosses the famous Seven Sisters, passes through Brighton at the halfway point, and finishes in historic Arundel after 100km of stunning countryside and sea views. Distances of 25km, 57km and 100km are available, with the full challenge offered as a single continuous effort or spread across two days with optional camping at the halfway point. Full route support, rest stops, free food and drink, medical teams, shuttle bus transfers, and a finishers’ meal and medal are all included.
London Winter Walk – 30-31 January 2027
Taking place on 30 and 31 January 2027, the London Winter Walk is a wonderful way to kick off the new year with an active challenge through the heart of the capital. Starting and finishing at the Oval Cricket Ground in Vauxhall, the routes take in the Thames, its historic bridges, and many of London’s most iconic landmarks. There is something for everyone, from a full marathon (42km) and half marathon (21km) to a 10km walk and a family-friendly 5km on the Sunday. Rest stops with snacks and drinks are provided throughout, with hot food and a special Winter Walk medal waiting at the finish.
Ultra Challenge® 2026
Browse the brochure here:
Your challenge, your way
Push yourself further – and take on a 10km, 25km, 50km 75km or even a 100km Ultra Challenge in 2026!
When you sign up, choose how you want to join the Challenge and raise vital funds for Rennie Grove Peace! There are 3 options with different registration fees and associated fundraising targets – these vary by distance.
What you will get:
✓ Sign up from £10
✓ Inclusive & fun event with a great atmosphere and camaraderie
✓ Choose your distance, from 10km to 100km
✓ Walk, jog, or run – it’s your challenge, your way!
✓ A fully signed route, with a team of ‘Trekmasters’ out on the trail with you
✓ 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
Click here to view the full list of Ultra Challenges® and sign up.
Remember to select Rennie Grove Peace Hospice Care as your chosen charity when signing up!
Ultra Challenges 2026 FAQs
Please see below for information about our Ultra Challenges. To contact our events team, please email: events@renniegrovepeace.org or call 01442 89 02 22.
When and where
An Ultra Challenge is a series of treks and trail run challenges set across stunning locations throughout the UK. Choose your distance from 10km to 100km and then walk, jog or run at your own pace with full support from start to finish.
Signing up and sponsorship
Your fundraising pledge will depend on your registration type, and the distance you have chosen. More information on fundraising options can be found on each event page.
We recommend that you set up an online donation page using Just Giving, It is easy to do and you can share your page link with friends, family and colleagues via email or social media. The funds you raise come straight to Rennie Grove Peace.
Prefer to fundraise offline? You can download a sponsorship form here. Check out our fundraising tools and tips for ideas and inspiration. If you raise money in another way, please email us to let us know on events on events@renniegrovepeace.org
Yes of course! Just Giving has full guidance on creating your team page.
You can browse the full list of events here to find one that suits you and sign up on their website.
On the day
Choose to run, walk, jog or mix it up! (Please note, Winter Walk, Halloween Walk and Thames Bridges are walking only events).
You can contact the form by completing this form and a member of the team will be in touch
Ready for your next challenge?
If you're interested in taking part in an Ultra Challenge, why not check out some of our other exciting events for 2026 too!
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Chilterns 3 Peaks Challenge
A fantastic day out for friends, family and colleagues. Choose from three routes and enjoy the stunning beauty of the Chiltern Hills.
Read more
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Hertfordshire Half Marathon
Take part in this amazing oportunity to race from the historic Knebworth House.
Read more
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Strictly Come Hospice 2027
Dig out your dancing shoes and seek out your sequins - We are now looking for contestants to be part of this amazing experience in 2026/27!
Read more
