Skip to main content

JDRF has now rebranded to Breakthrough T1D.
Our name has changed, our mission has not.

Register now for a charity place in the TCS Sydney Marathon 2026

Complete the form below to submit your application. Contact events@breakthrought1d.org.uk or visit our event FAQs if you have any questions.
Content last reviewed and updated: 27.10.2025

Why join Team Breakthrough T1D?

Our support includes:

  • Ongoing support from our dedicated events team with your fundraising and training.
  • A free Breakthrough T1D running vest or tech T-shirt to wear with pride on the big day.
  • Access to a wide range of fundraising materials to help you reach your target.
  • Regular e-newsletters containing training and fundraising tips
  • Free cheering materials and T-shirts for your family or friends going along to support you.