Ultra Challenge Series
Everything you need to get started
| Location: | Various |
| Registration fee: | £15 - £199 |
| Min. sponsorship: | up to £595 (distance dependant) |
Whether you're a walker and new to endurance events or a marathon runner looking to up the distance, you'll get the best support and hospitality through day and night all the way to the finish line. With some training and determination, anyone can conquer an Ultra Challenge. Join #teamICR today in a location of your choice!
Whether along a stunning coastline or on trails through magnificent countryside, you’ll get full support all the way – including plenty of food & drink, medics & massage, camaraderie, a medal & T shirt and an amazing sense of achievement. With 20 events to choose from, and distance options ranging from 10km up to the full100km, there’s an Ultra Challenge waiting for you in 2026.
Key Facts
Duration
1 - 2 days
Distance
10km, 25km, 50km, 100km
Location
Various
View the full series calendar to see dates and locations.
Contact us for more information or visit event provider Action Challenge.
Why join #teamICR?
The vital funds that you raise by running with #teamICR will help us deliver our innovative programme of cancer research. Together we can reach the finishing line.
As part of #teamICR, you will receive:
An ICR running vest or technical t-shirt
A fundraising pack with tips on reaching your target
ICR branded materials to support your fundraising
Support from our dedicated events team throughout your training
Start fundraising
Stay in touch
Get in touch with us on 020 3437 6388 or email [email protected].
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Find out more about how our appeals for cancer research help patients live well with cancer.