Skip to main content

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

Charity runs

Taking part in one of our incredible running events is a great way to get fit and smash your PBs, while raising vital funds towards the next T1D breakthrough. From 5km to ultramarathons, worldwide to local, find a running event to suit you.

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

Have your own running place?

If you manage to secure your own place in a running event, we’d be delighted to have you join our team. Sign up with your place

Otherwise, grab a charity place in one of our events below.

Upcoming running events

Read more
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.

Read more
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.

Read more
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.

Read more
Mass group of runners crossing the marathon start line with banners and a giant inflatable running shoe in the background.
Runs
19 April 2026

Manchester Marathon 2026

The adidas Manchester Marathon is one of Europe's largest marathons and an ideal event to get a personal best.

Read more
TCS London Marathon Buckingham Palace
Runs
26 April 2026

TCS London Marathon 2026

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

Read more
Runners in Hackney Half Marathon being cheered
Runs
17 May 2026

Hackney Half Marathon 2026

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

Read more
Cape Town Marathon runners from behind on a road with mountains in the background.
Runs
24 May 2026

Cape Town Marathon 2026

With the Table Mountain in full view and its oceanside route, the Cape Town Marathon is known as one of the world’s most beautiful marathons.

Read more
Sydney marathon harbour landscape
Runs
30 August 2026

Sydney Marathon 2026

Take in some of Sydney’s most iconic landmarks, including the Sydney Harbour Bridge and the Opera House.

Why run for Breakthrough T1D?

We have places in the most popular running races around the UK. There are runs suitable for all abilities from fun runs and 5ks to marathons and beyond!

By running for Breakthrough T1D, your miles will be powering our world-class research into type 1 diabetes.

Our runners will receive full support from our friendly team, plus a free Breakthrough T1D vest or T-shirt to wear with pride, so sign up today!

With hundreds of running events to choose from it has never been easier to work towards your fitness goal and help support Breakthrough T1D at the same time.

Get in touch

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

Other challenge events

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

Walks & treks

The perfect way to make lifelong memories and achieve something special.

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

Cycle rides

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

Read more
Tandem skydivers in the sky

Adrenaline

Our adrenaline events are the perfect choice for all thrill seekers.

Connect with us on social