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
Inflatable 5K for Mabel
Leah and Brad found out the 20 week scan that their daughter, Mabel, had Coarctation of the aorta, a large Ventricular septal defect (VSD) and a smaller left side of the heart. She had open heart surgery at five days old. Now Mabel's family are taking on the Leeds...
100km for Matilda
Heart mum Danielle shares her experience of daughter Matilda’s heart condition – from diagnosis at 20 weeks to the time they spent at Leeds General Infirmary and once home. She’s now taking on a 100km Ultra Challenge to give something back to CHSF after the support...
Zip the Cow: Zip Line challenge
About Zip the CowSaturday 11th July 2026, 11:30am Ilkley Moor Cow & Calf Rocks [Google maps] All CHSF zip line participants will zip as a team at the allocated time slot of 11.30am Join the CHSF team and glide across the stunning scenery of Ilkley Moor between the...