UK Challenges

We have a number of UK based challenges, from trekking to sailing, so why not take a look at what we have to offer and take the challenge today.

Running
Cycling
Overseas
Skydiving
UK Challenges
Virtual Events

1 January 2024 - 31 December 2025

Tell us about another event

Taking on an event for Leukaemia Care and its not listed here? Tell us about it

1 January 2024 - 31 December 2025

Zipwire

Take on the thrilling experience of flying at 100 miles per hour - all while raising money for us to support blood cancer patients

1 January 2024 - 31 December 2025

IronMan Triathlon

Push yourself to the limit by taking part in an Ironman race as part of #TeamLC!

1 February 2025 - 31 December 2025

Last Chance! Remaining Places for 2025 Challenge Events

Thanks to our incredible challenge event community, over £1 million was raised for Leukaemia Care last year. Join us and be part of something truly amazing by signing up for one of our events in 2025.

29 March 2025

Bath 50 Ultra Challenge 2025

*New for 2025* A great opener to the full Ultra Challenge season! Centred on this elegant historic city, take on a 50 km Ultra, a testing 29 km, or a sharp 10 km challenge at your pace!

12 April 2025

Windsor Easter 50 Challenge 2025

Take on a 50 km Ultra, a historic 25 km, or a sharp 10 km challenge – and make it an active Easter! From our Windsor Racecourse basecamp 2000 adventurers will head out on looped routes through the Great Park with fantastic views of the Castle, on to Runnymede, along the Thames Path, and takes in some wonderful surrounding countryside.

3 May 2025 - 4 May 2025

Isle of Wight Ultra Challenge 2025

Great challenges need great settings, and up to 2,000 adventurers will take on the Isle of Wight stunning coastal path – all out to push themselves further. It’s along the spectacular southern cliffs, past the iconic Needles, and up to historic Cowes.

10 May 2025 - 21 September 2025

Tough Mudder Events 2025

The ultimate obstacle course challenge now has multiple obstacles over a 5 to 15 Kilometre run. Take on the challenge at a local of your choice in 2025,

17 May 2025 - 18 May 2025

Jurassic Coast Challenge 2025

Spectacular World Heritage coastline - it's the event of the year!

24 May 2025 - 25 May 2025

London 2 Brighton Ultra Challenge

The ‘original Ultra Challenge’ – and once again over 2,000 adventurers will take on the Capital to Coast route and test their grit & determination over the weekend.

7 June 2025 - 8 June 2025

Lake District Ultra Challenge 2025

Take on England’s finest countryside at your pace.

21 June 2025 - 22 June 2025

Cotswold Way Challenge 2025

Our Cirencester basecamp is the start of the 100 km looped route through the heart of the Cotswolds, providing a stunning setting for 2,000 adventurers to test themselves.

28 June 2025 - 29 June 2025

Peak District Ultra Challenge 2025

Over 3,000 participants will take part in this event in the idyllic setting of Bakewell, Derbyshire.

12 July 2025

North Downs 50 Ultra Challenge

A route with real variety and some wonderful scenery & fabulous views out to the south – and easily accessible from London!

19 July 2025 - 20 July 2025

Gower Peninsula 50 Ultra Challenge 2025

Challenge yourself on the stunning Gower Peninsula while supporting Leukaemia Care in 2025

2 August 2025

South West Coast 50 Ultra Challenge

A fantastic ‘South West’ summer challenge – taking in the first Minehead section of the famous 630 mile Coastal Path, and with an extensive ‘basecamp’ in the shadows of the impressive Dunster Castle.

23 August 2025

London Summer Walk

Get your walking shoes on and explore some of the Capital’s less known historic areas with a tour of the ‘gateway to London’ along the Thames’s eastern section. Starting alongside the grandeur of Woolwich Royal Artillery Barracks

6 September 2025 - 7 September 2025

South Coast Ultra Challenge 2025

The South Downs National Park is a superb backdrop for 2000 adventurers to take on a real challenge. An Eastbourne start, up Beachy Head, the magnificent Seven Sisters, and along the South Downs Way, with stunning views over the sea, to a Brighton half-way.

12 September 2025

Thames Moonlight 10 Walk

The Moonlight 10 Walk kicks off the famous Thames Path Challenge weekend festival of riverside events! Take on either a spirited 10 km or an energetic 10 mile looped route walk through the heart of London as darkness falls and the Moon rises.

13 September 2025

Thames Bridge Trek

Join 2500 walkers and trek 25 km across the Capital with unrivalled views of the skyline & landmarks. From a Putney Bridge start it’s East towards the City, zig-zagging over 16 historic bridges, each with a fascinating story – and a mid-point rest stop at The Oval Cricket Ground for snacks & drinks.

13 September 2025 - 14 September 2025

Thames Path Ultra Challenge 2025

England’s greatest river provides a fantastic backdrop for an unforgettable challenge. Over 3000 adventurers will join the Putney Bridge start, and the full 100km route heads upstream to Henley along the famous Towpath.

26 April 2026

2026 TCS London Marathon

Register your interest in our Leukaemia Care 2026 TCS London Marathon places today and play a vital part in securing support for anyone whose life has been impacted by a blood cancer, like leukaemia.

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November 11th

Additional treatment for AML patients now available in Scotland

Leukaemia Care is pleased to announce that newly diagnosed acute myeloid leukaemia (AML) patients with a FLT3 mutation now have access to quizartinib, in combination with chemotherapy, thanks to a decision made by the Scottish Medicines Consortium (SMC) today. ...