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Cystic Fibrosis Trust

Great Strides™

4 treks, 3 peaks, 1 ultra marathon - choose your challenge!

Great Strides pits teams of four to six against the clock on a 65km or 40km walking or running challenge in some of the UK’s most breath-taking countryside. Take part with family and friends, colleagues at work, or even run an ultra-race alone: choose your challenge and help us fight for a life unlimited by cystic fibrosis with a unique fundraising adventure.

Take a look at our treks, three peaks series and ultra marathon, or scroll down to find out what you’ll need to join our Great Strides.


Choose from four stunning locations for our Great Strides™ treks, with distances of 65km or 40km.

Peak District, 1 June 2019

Take in the stunning Peak District scenery on this revised route, with 360 views from the top of Curbar Edge.

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Surrey Hills, 8 June 2019

You'll be put through your paces with this multi-terrain route through an area of Outstanding Natural Beauty.

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Brecon Beacons, 29 June 2019

The iconic Brecon Beacons are your backdrop. Climb to the top of Pen y Fan, the highest peak in South Wales!

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Yorkshire Dales, 6 July 2019

Expect multi-terrain and breath-taking views as you pass by Gunnerside, Thwaite and Castle Bolton.

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Three Peaks Series

Our brand new national three peaks series is a weekend challenge for each of these three national landmarks. If you're feeling really brave, you could even tackle the triple!

Snowdon 10-12 May 2019

Standing at 3,560 feet, Snowdon is the highest point in Wales and the third largest national park in the UK!

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Scafell Pike 2-4 August 2019

Climbing England's highest mountain in the Lake District National Park is your challenge.

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Ben Nevis 28-30 September 2019

Climb the highest mountain in the British Isles and see the breath-taking sights of Scotland!

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Triple Challenge 2019

Take on all three of the highest peaks in the British Isles across three weekends in 2019.

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Ultra marathon

Go extreme - go ULTRA! Take on the 65km individual run at Great Strides™ Surrey Hills. Not for the faint-hearted!

Are you ready for the ultimate challenge? How does a self-navigated, 65km trail run with a climb of 3,800 feet sound? This year’s Great Strides Ultra Marathon takes place in Surrey Hills, looping through the North Downs Way, the Devil’s Punchbowl and St Martha’s Hill.

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