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what we do

We organise challenge events that will test you and inspire you. You can join and do it for charity - or just for yourself. It's about making life an adventure!

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treks & walks

"Great things are done when men and mountains meet." William Blake forgot to mention the great friends & memories you'll also make. Adventures await!

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cycling

Our 24 hour rides are famous. Our 'Ultracycles' are road biking challenges at their best with spectacular backdrops. We also organise more gentle tours, overseas & closer to home.

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running

Time for a new challenge? Our unique 100 km, 50 km or 25 km 'ultra-runs' offer fantastic routes, full support, signage, and the best hospitality. The ideal opportunity to go that extra mile!

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uk events

Not all challenges require getting on a plane! Join in a group challenge or get some friends together and test yourself whilst experiencing the best of what the UK outdoors has to offer.

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kilimanjaro

We've taken over 2,500 adventurers to the summit. Kilimanjaro remains one of the best trips out there - a real challenge & a slice of Africa. If you're going - go up with the best - go with us!

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bespoke events

For corporate teams, charities, schools, & private groups, we can tailor-make an exclusive event for you. Whether it's on bikes, foot, snowshoes, rafts or camels - there's a challenge out there!

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We are Action Challenge and take groups, individuals, charities and companies on outdoor events & inspirational adventures. Our events are usually unforgettable and always rewarding - with camaraderie as important as physical commitment. You can also fundraise for a charity or just do it for yourself - and our events now raise over £10 million each year for UK charities. Join us - challenge yourself - and do something special in 2016....

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find a challenge

Use our handy challenge finder to filter through our many events to find one that is just right for you.

Our most popular challenges & events...

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latest news

A new Ultra Challenge...

NOW OPEN FOR REGISTRATION!Next July, our newest Ultra will take you 100km from Bath to Cheltenham along the Cotswold Way with stunning views en route. Our Early Bird offer can save you up to 30% and you'll receive a free Ultra Tech T-shirt!Take on so…

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The UK Ultra Series is in full swing!

After the success of the London 2 Cambridge Challenge, almost 5000 participants have now taken part in our 2016 Ultra Series so far with another 5000 to go! We’re also launching our 2017 series over the summer, with registration now open for th…

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Til hamingju!

Congratulations to our inaugural Iceland Ultra Challenge adventurers! Last weekend 167 brave pioneers took on a double marathon with stunning landscapes along the famous Laugavegurinn Trail. A tough Challenge but well worth the views...   &nbs…

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Isle of Wight 16 - Congratulations!

To all our amazing Challengers! As our final challenger stepped across the Isle of Wight Challenge finish line - 36 hours and 1,400 participants later on Sunday 1st May at Chale recreation ground - the first in our 2016 Ultra Challenge series came to…

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Do something special in 2016 - take on a new challenge....

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We've helped raise over £55 million for charities. Some of our partners...

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Your financial protection:

The air holiday packages and flights shown are ATOL protected by the Civil Aviation Authority in the UK. Our ATOL number is 6296. In Ireland the air & holiday packages and flights that are shown are protected by CAR license number TA0297. Please see our booking conditions for more information.