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

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Featured

Group of friends with beverages laughing together at the ball
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Nine people posing in group in mixed fancy dress, including magician, yellow duck, chicken, strong persons and others.
Social
Anytime

Wear it ONEderful

Wear your most joyful, whimsical and downright wonderful outfits to help raise funds for type 1 research.

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Tandem skydivers in the sky
Extreme sports
Anytime

Tandem Skydive

Help us leap towards a world without type 1 diabetes with an exhilarating 10,000ft tandem skydive.

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Family of three people in a park on a Breakthrough T1D One Walk raising money for type 1 diabetes.
Walks & treks
6 October-14 November 2025

400,000 Step Challenge

Take on 10,000 steps a day for 40 days to represent the 400,000 people in the UK living with T1D.

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Female runner in the park on a sunny day
Runs
12 October 2025

Royal Parks Half Marathon 2025

Run on closed roads past many of London's world-famous landmarks and through four of its eight Royal Parks.

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Chicago marathon start line with Bank of America banner
Runs
12 October 2025

Bank of America Chicago Marathon 2025

Part of the famous World Marathon Majors, the Chicago Marathon is a famously fast and flat course.

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New York City marathon runners on bridge
Runs
2 November 2025

New York City Marathon 2025

This marathon takes you through all five of the city’s boroughs, finishing in Central Park.

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Group of friends with beverages laughing together at the ball
Galas & balls
20 November 2025

London Ball 2025

Invite your friends, family, colleagues or clients to an exceptional black-tie event in the heart of London.

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Walkers wearing warm clothes at the Ultra Challenge London Winter Walk start line
Walks & treks
24 or 25 January 2026

London Winter Walk 2026

Kick off your 2026 with this fun challenge for the whole family, take in the amazing sites of London.

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Walkers at Bath 50 Ultra Challenge start line
Walks & treks
28 March 2026

Bath 50 Ultra Challenge 2026

Join 2,000 other challengers on a route taking in the sites of historic Bath and surrounding countryside.

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An aerial view of the Brighton Marathon finish line, alongside the beach and iconic pier
Runs
12 April 2026

Brighton Marathon 2026

The Brighton Marathon takes you from Preston Park, through the heart of the city and along the iconic seafront.

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Illustrated route map for London landmarks half marathon
Runs
12 April 2026

London Landmarks Half Marathon 2026

From Pall Mall to Downing Street, runners will explore London's landmarks and hidden secrets on a route like no other.

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Selfie of three Breakthrough T1D supporters on hillside during Yorkshire Three Peaks walking event
Walks & treks
18 April 2026

Yorkshire Three Peaks 2026

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

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