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
Endurance 2

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!

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
Kilimanjaro1compressed

kilimanjaro

We've taken over 4,000 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 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 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.

Other Adventures and Treks...

view all our challenges >>

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

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

view all our challenges >>

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

find out more here >>

latest news

Follow the Great Tesco Walk

The Great Tesco Walk is well underway! Thousands of Tesco colleagues are making their way from Land's End to John O'Groats on the UK's longest trekking relay. You can follow the torch on this momentous event and see what people are saying on the soci…

continue reading…

Ultras Raise £15m in '17

Thames Path Challenge UK's 9th most Successful Fundraising Event A report surveying the online fundraising platforms has recognised our Ultra Challenge Series events as being wihtin the top 25 most successful sports fundraising events in 2016 - with…

continue reading…

NEW UK events

With 9,000 expected to take part in the remaining Ultra Challenges in 2017, the Ultra Challenge Series is still in full swing – and there’s still time to sign up to our South Coast and Thames Path Challenges (not forgetting the Thames Bri…

continue reading…

The Great Tesco Walk

We're excited to announce our biggest ever challenge event - The Great Tesco Walk!  A unique relay for up to 7,000 Tesco employees from Land’s End to John O' Groat’s - starting on 5 Sept 2017 and finishing 31 days later after an epic…

continue reading…

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.