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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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Trekking 939

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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Endurance 2


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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Ukevents Compressed

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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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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Bg Bikes Day 6 5307

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 individuals, groups, charities and companies on outdoor challenge events & inspirational adventures which are usually unforgettable and always rewarding - with camaraderie as important as physical commitment. You can take on a challenge just for yourself or fundraise for a charity as well - and our events now raise over £10 million each year for UK charities. Join us - challenge yourself - and do something special in 2017.



find a challenge

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

Other Adventures and Treks...

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Take on an Ultra Challenge - Walk, Jog or Run - 100km, 50km, or 25km

Do something special in 2017/18 - take on a new challenge....

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We also organise bespoke events for companies, charities & private groups.

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latest news

Training for your Challenge...

Endless sunshine greeted 40 Ultra Adventurers on a very hilly 20 mile trek from Southease to Eastbourne on Saturday.  Join us for a training walk before your big event; these fully supported days are the best way to prepare & meet fellow Cha…

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Win a FREE place to the SAHARA!

  Places on our Ultra Adventure Series Challenges are filling up! Join us in Icelandic landscapes or the Saharan desert. Or perhaps the trails around Mont Blanc, lush Greek Gorges, or Smokey Mt. Etna?We've got the perfect overseas adventure for…

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A Snowy Success

Our London Winter Winter Walkers braved the cold and the rain yesterday but everyone was all smiles!Starting from Bishop's Park in Putney, 800 Challengers trekked to Vauxhall and returned to Bishop's Park 20km later in a flurry of snow, to be greeted…

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An International Adventure...

5 AMAZING TREKKING ADVENTURES Join 100 or so adventurers in some of the World's finest scenery for a challenge that will test you. Whether it's heading down to the Sahara in sun baked Morocco, crossing a multi coloured wilderness in Iceland, scaling…

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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.