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

 

Leeds Marathon

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

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

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...