About Ultra Challenges
Jan – Oct 2026
📍 Various locations across the UK
Join the Ultra Challenge Series in 2026 and help raise funds for Children’s Heart Surgery Fund!
Whether you prefer a stunning coastline or trails through the magnificent countryside, the Ultra Challenge Series offers 20 different events across England and Wales.
With distance options from 10km up to the full 100km – there’s an Ultra Challenge waiting for you in 2026.
Take on an Ultra Challenge
and help us keep being there for our heart unit, patients and families!
Sign up information
- Choose your location and distance.
- Select your fundraising option. This can be full sponsorship, mixed funding or your own place.
- Choose Children’s Heart Surgery Fund from the list on the sign up form.
- Complete the registration.
- Start fundraising!
Sign up to secure your place. A member of our team will be in touch to welcome you to #TeamCHSF
Already got your Ultra Challenge place?
Let us know you’re taking part and make a difference!
What you’ll get:
- Children’s Heart Surgery Fund t-shirt to wear on the day of your event
- Tailored training guides
- Digital support pack with fundraising ideas and materials
- Support from our dedicated events team to help you smash your fundraising target
Leeds Marathon
About Leeds Marathon10th May 2026 Join #TeamCHSF for the Leeds Marathon - the closest marathon to our amazing heart unit! Take part in the Leeds Marathon in 2026 run 26.2 miles for Children's Heart Surgery Fund and raise life-saving funds for our heart unit, patients...
Hull 10K
About Hull 10K31st May 2026 The Hull 10K features a route inclusive for all. Starting at Sewell Group Craven Park, home of the city's beloved Hull KR, participants will embark on a flat and fast course through East Park before returning to the stadium grounds. Whether...
Sheffield Half Marathon
About Sheffield Half Marathon29th March 2026 Registration fee: £25Fundraising pledge: £250 Embark on an exhilarating journey by signing up for the Sheffield Half Marathon with Children’s Heart Surgery Fund – an iconic event that stands tall in the UK's running...


