Sign up to our mailing list for up-to-date event information and special offers:

What We Do Homepage Image

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!

find out more
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!

find out more
Cycling Homepage Image Reversed


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.

find out more
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!

find out more
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.

find out more


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!

find out more
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!

find out more

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....

find out more >>

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...

view all our challenges >>

latest news

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…

continue reading…

Corporate Events for 2016

In 2016 our Ultra Challenge Series will raise over 7.5 million for our 500 participating charities and our Series Partners some of which include; Alzheimers Society, GOSH and Cancer Research UK. Consisting of 5 fantastic endurance events, the s…

continue reading…

Training Walks in 2016

Prepare for your UK or International Challenge by going on our training walks! Get the 'feel' for the challenge ahead and build up that base level of fitness! Led by experienced Action Challenge leaders, these training walks are also an excellent op…

continue reading…

The 2016 Ultra Kilimanjaro...

Where will your feet take you in 2016... Why not take on the Ultra Kilimanjaro Challenge! We are excited to launch our 'Ultra Kilimajaro Challenge' setting off to the roof of Africa on the 6th - 16th October 2016. If you are past participant on any o…

continue reading…

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

view all our challenges >>

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

charity partners >>

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.