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Charity walks & treks

Whether you join one of our flagship One Walk events or scale the summit of Kilimanjaro, taking part in a fundraising trek or walk is the perfect way to make lifelong memories and achieve something really special. We have a wide range of UK and overseas challenges available.

Several walkers in Breakthrough T1D One Walk Nottingham raising money for people with type 1 diabetes.

Upcoming walk and trek events

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BreakthroughT1D One Walk walkers group with medals around necks
Walks & treks
Multiple dates

One Walk 2026

Join the world’s #1 fundraising event for families living with type 1 diabetes.

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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 2026

400,000 Step Challenge 2026

Take on 10,000 steps a day for 40 days and help fund vital type 1 diabetes research.

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Two people in blue Breakthrough T1D T-shirts walking in park sharing a joke
Walks & treks
Anytime

One Walk Your Way

Bring people together where it matters most. Organise your own local One Walk and be part of the One Walk community.

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Runners at the Ultra Challenge Thames Bridges Trek starting line with smoke rising
Runs, walks
Various dates

Ultra Challenge Series 2027

Choose from over 24 Ultra Challenge events across the UK and help to drive breakthroughs in type 1 diabetes.

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Walkers wearing warm clothes at the Ultra Challenge London Winter Walk start line
Walks & treks
30 or 31 January 2027

London Winter Walk 2027

Kick off your 2027 with this fun challenge for the whole family, taking in the amazing sites of London.

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Walkers at Bath 50 Ultra Challenge start line
Walks & treks
20 March 2027

Bath 50 Ultra Challenge 2027

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

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Walkers on the Thames Path by the river on the Windsor 50 Ultra Challenge.
Walks & treks
17 April 2027

Windsor 50 Ultra Challenge

Join 2,000 other challengers on a picturesque route following the Thames Path along the river.

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Walkings on coast walking on Ultra Challenge Isle of Wight trek
Walks & treks
1-2 May 2027

Isle of Wight Ultra Challenge 2027

Tackle the island’s stunning coast path along spectacular cliffs and help us drive towards a cure for T1D.

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Sun setting in fairly cloudy sky over participants on a coastal path of the Jurassic Coast Ultra Challenge.
Walks & treks
15-16 May 2027

Jurassic Coast Ultra Challenge 2027

This hugely popular Ultra Challenge takes you along spectacular World Heritage coastline to the town of Bridport.

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London to Brighton Ultra Challenge walkers
Walks & treks
29-30 May 2027

London 2 Brighton Ultra Challenge 2027

Travel from capital to coast, taking in the picturesque Surrey and Sussex countryside along the way.

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Group of Breakthrough T1D supporters at summit of Mount Kilimanjaro, Tanzania (Gavin)
Walks & treks
1 – 10 October 2027

Trek Kilimanjaro 2027

Climb Kilimanjaro, the highest freestanding mountain in the world, to help find the next big T1D breakthrough.

Why walk for Breakthrough T1D?

Walking and trekking is a hugely popular way to raise funds for charity and there are challenges suitable for all abilities and ages.

By walking for Breakthrough T1D, every step will be powering our world-class research into type 1 diabetes.

Our trekkers will receive full support from our friendly team, plus a free Breakthrough T1D T-shirt to wear with pride during their challenge, so sign up today!

With hundreds of challenges to choose from it has never been easier to get those steps in and help support Breakthrough T1D at the same time.

Get in touch

If you have any questions about walking for Breakthrough T1D, please email our Active Events team.

Other challenge events

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Happy runner Sue in the London Marathon 2025 running for Breakthrough T1D to raise money for type 1 diabetes.

Runs

From 5km to ultra-marathons, worldwide to local, find a running event to suit you.

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Two cyclists riding in countryside in the London to Brighton Cycle event.

Cycle rides

Hop in the saddle and take on a fundraising cycle ride for Breakthrough T1D.

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Tandem skydivers in the sky

Adrenaline & fitness

From skydives to strength-based challenges, these events are the perfect choice for thrill-seekers and fitness fanatics.

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