Our fundraising events

There are many exciting ways to get involved in supporting us. Here are few challenge events and activities you can take part in to raise funds to transform leukaemia treatment and care.
Hackney Half Marathon 2026

17 May 2026

Hackney Half Marathon 2026

The Hackney Half Marathon is a fantastic event and we want you to join team Leukaemia UK! There will be live entertainment and DJs to keep you inspired, not just at event centres but during the race both at event HQ and out on the course. There will be no need for headphones as the…

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London Marathon: April 2026

26 April 2026

London Marathon: April 2026

Run the most prestigious marathon in the world and raise vital funds for Leukaemia UK. Join the world's most popular...
Isle of Wight Challenge: May 2026

2 May 2026 - 3 May 2026

Isle of Wight Challenge: May 2026

Great challenges need great settings – and few are better than the Island’s stunning coastal path. Up to 3,000 adventurers...
Jurassic Coast Challenge: May 2026

16 May 2026 - 17 May 2026

Jurassic Coast Challenge: May 2026

Spectacular World Heritage coastline. A start in Corfe Castle, the route heads down to Swanage, and along through Lulworth Cove,...
London to Brighton Walk: May 2026

23 May 2026 - 24 May 2026

London to Brighton Walk: May 2026

The ‘original’ Ultra Challenge! 2,000 or so adventurers will take on the Capital to Coast trails and test their grit...
Lake District Challenge: June 2026

6 June 2026 - 7 June 2026

Lake District Challenge: June 2026

Take on England’s finest countryside at your pace. Challenge basecamp is in Kendal, and it’s a 100km loop taking in...
Cotswold Way Challenge: June 2026

13 June 2026 - 14 June 2026

Cotswold Way Challenge: June 2026

Our Cirencester basecamp is the start of the 100 km looped route through the heart of the Cotswolds, providing a...
North Yorks: June 2026

20 June 2026 - 21 June 2026

North Yorks: June 2026

Set to be one of the greatest Ultra Challenges – basecamp is in Scarborough – famous for its Fair, and...
Peak District Challenge: July 2026

4 July 2026 - 5 July 2026

Peak District Challenge: July 2026

Our basecamp hub in idyllic Bakewell will welcome over 3,000 adventurers who will test themselves in the fabulous Peak District...
North Downs 50: July 2026

12 July 2026

North Downs 50: July 2026

We’re back on the North Downs with a fabulous challenge setting out from our Guildford basecamp, and a looped 50...
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Past Events