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

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Historic photo of Gary Mabbutt holding up the FA Cup in front of Prince Charles and Diana, Princess of Wales
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Kilt Walk 2025 logo over landscape pictures of Glasgow, Aberdeen, Dundee and Edinburgh.
Walks & treks
Various dates

Kiltwalk 2025

Join us in Glasgow, Aberdeen, Dundee or Edinburgh and help make a difference for people living with type 1 diabetes.

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Four people from behind standing in park and wearing Breakthrough T1D running vests
Runs
27 April 2025

TCS London Marathon 2025

If you’re only ever going to do one marathon, make sure it’s the TCS London Marathon.

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Mass group of runners crossing the marathon start line with banners and a giant inflatable running shoe in the background.
Runs
27 April 2025

Manchester Marathon 2025

This incredible event draws participants from all over the world to the vibrant streets of Greater Manchester.

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Hillside on the Yorkshire Three Peaks (YTP) trek under cloudy sky.
Walks & treks
3 May 2025

Yorkshire Three Peaks 2025

Three peaks, 25 miles and 12 hours – are you ready to take on this exhilarating trek challenge?

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Happy young person in Breakthrough T1D T-shirt in a sunny park looking at camera
Walks & treks
10 May 2025

One Walk Nottingham 2025

We are so excited to be bringing One Walk to the East Midlands this year, with a jam-packed event village and a 5km route.

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Port of Leith abseil event with giant man abseiling down distillery building
Extreme sports
11 May 2025

Edinburgh Distillery Abseil 2025

Sign up for a thrilling 150ft abseil down a distillery building with stunning views of the city to help raise money for people with type 1 diabetes.

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Sun setting in fairly cloudy sky over participants on a coastal path of the Jurassic Coast Ultra Challenge.
Walks & treks
17-18 May 2025

Jurassic Coast Ultra Challenge 2025

Join 3,000 adventurers taking on the spectacular Jurassic Coast, a World Heritage Site, in south-west England.

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Four smiling people walking in park in Breakthrough T1D T-shirts
Walks & treks
17 May 2025

One Walk Manchester 2025

Join hundreds of Breakthrough T1D supporters celebrating One Walk Manchester!

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Large group of marathon runners making their way along a run
Runs
18 May 2025

Great Manchester Run 2025

Experience a high-energy soundtrack, live music and entertainment at every turn: it's a party from start to finish!

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Runners in Hackney Half Marathon being cheered
Runs
18 May 2025

Hackney Half Marathon 2025

Join thousands of runners on a route that showcases the historic Broadway Market and vibrant street art of East London.

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Edinburgh marathon festival 2025, Sunday 25 May 2025
Runs
24-25 May 2025

Edinburgh Marathon Festival 2025

The Edinburgh Marathon Festival offers a variety of distances, for whether you’re an experienced runner or just starting your fitness journey.

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One Walk family at finish line in Breakthrough T1D shirts walking to support type 1 diabetes research
Walks & treks
1 June 2025

One Walk Cymru 2025

One Walk Cymru is an opportunity for the Welsh type 1 community to come together and raise awareness and support everyone affected by T1D.

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