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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 the four treks, three peaks and ultra marathon on offer, or scroll down to find out what you’ll need to join our Great Strides.

Get 20% off entry fee on any of our Great Strides events when you use our very special Team CF Superhero code 'SUPERHERO20'.


Choose from four stunning locations for our Great Strides™ treks.

Peak District, 5th June 2021

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

Surrey Hills, 12th June 2021

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

Brecon Beacons, 26 June 2021

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

Yorkshire Dales, 3 July 2021

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

Three Peaks Series

Our brand new national three-peaks series is a weekend challenge for each of these three national landmarks.

Snowdon, 15-17 May 2020

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

Scafell Pike, 1-3 May 2020

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

Ben Nevis, 9-11 October 2020

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

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.

Find out more