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Superhero Tri powered by Marvel   

Join us at this super fun and flexible televised event! There are three distances to choose from with no cut off times and many ways to take part – whether that’s floats, boats, powerchairs, adaptive bikes, trikes and more!  

Sign up today

Join the Superhero Tri – your way

Take on the challenge your way. You can:

  • Fly solo and complete all three stages — swim, cycle and push/run
  • Team up for a fun relay
  • Bring your sidekicks and complete every stage together as a team

Superhero Tri Distances

Sprint Superhero Tri
Swim 150m, Bike 3km, Push/Run 1km

Half Superhero Tri
Swim 400m, Bike 10km, Push/Run 2.5km

Full Superhero Tri
Swim 750m, Bike 20km, Push/Run 5km

When you join the Superhero Series, you’ll receive:

  • A welcome pack to get you started
  • A branded Muscular Dystrophy UK top
  • Support, ideas and fundraising tips from our dedicated team

All participants will also get:

  • A Superhero Tri medal
  • A finishers t-shirt
  • Finish line tape (for Virtual challenges)

Need more info?

To find out more about any of these challenges, get in touch with our 

Details
Date Saturday 16 August 2025 Location Dorney Lake, Windsor   Registration Fee FREE Minimum sponsorship £250 Sign up today

How your money helps

For over 60 years we’ve provided life-changing support for people living with muscle wasting and weakening conditions, funded groundbreaking research and campaigned for people’s rights, access to treatments and better understanding of why muscles matter.

Hold free Information Days

for people who have been newly diagnosed with a muscle wasting or weakening condition 

Train our peer support volunteers

to share their lived experience and help others  

Fund vital research

into muscle wasting or weakening conditions 

Our helpline

Answer someone’s call via our free helpline 

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