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

  1. Choose your location and distance.
  2. Select your fundraising option. This can be full sponsorship, mixed funding or your own place.
  3. Choose Children’s Heart Surgery Fund from the list on the sign up form.
  4. Complete the registration.
  5. 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

 

100km for Matilda

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

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...

Andy | London Marathon 2026

Andy | London Marathon 2026

With the London Marathon just days away, thousands of runners will be taking on 26.2 miles through the capital - each for their own very personal reason. We’re incredibly proud of the runners who are part of #TeamCHSF this year, and are pulling on their trainers to...