Cycle with Genesis Research Trust's Patron, Fern Britton, through a timeless landscape on a six-day 360-mile ride to fund much-needed research to prevent premature birth. You'll experience wonderful Scottish hospitality and see stunning scenery and wildlife as you journey from Fort William to Inverness.
Open to the world's best runners and mass participants alike, this renowned event is the perfect opportunity for runners of all ages and abilities to run in the footsteps of champions in a World Championship race - and the Cardiff course is flat, fast and rich in potential for a new PB!
In the year which marks the 75th anniversary of the Battle of Britain, why not help the RAF Benevolent Fund by signing up for one of their charity places in this Dusk Till Dawn race at the Allianz Park Stadium in London. It's a Halloween you won't forget in a hurry!
Sign up now for a great trekking challenge in the stunning Peak District, one of Britain’s most inspiring National Parks. Pick from 25k, 50k, 75k or 100k routes and enjoy all the facilities in the ‘TrekFest Village’ - showers, camping plots and hot food. Why not bring the family and make a weekend of it!
Yorkshire Cancer Research and Skydive Hibaldstow have teamed up to offer two exciting days of tandem parachuting which allows you to enjoy the thrill of freefall skydiving without any extensive training as you'll be harnessed to the front of a qualified parachuting instructor when you jump.
You've got until 12th October to to grab a place in the world's premier 10-mile running event which sees 25,000 runners take over Portsmouth. The route features famous sights including the Cathedral, the Spinnikar Tower and the iconic HMS Victory before you sprint for home along the seafront.
Looking for an ultimate 100km walking challenge? This could be the one as the London to Brighton Trek returns for 2016 and you have up to 30 hours to walk the 100km, without stopping. It's a truly unforgettable experience, with full route signage, marshals and free hot meals/drinks.
Your assignment - if you choose to accept it - is to conquer the Heron Tower, which is featured in Skyfall. You'll have unrivalled views of London from the glass-walled staircase at the City of London’s tallest building as you climb almost 1,000 stairs! Sign up for this sponsored stair climb now for just £25.
10 miles. 13 iconic bridges. Spectacular views of London. This Diabetes UK walk features all that and more. It's an event for all the family as you cross 13 iconic bridges in the heart of London, finishing with the impressive Tower Bridge. It's just £5 to sign up and children under 12 go free!
Whether it’s 50 or 100k, day or night (or both), countryside, seaside or urban, walking alone or in a team, you’ll remember whichever one of these fantastic challenges you pick forever:
London to Oxford - 21-22 May
Glasgow to Edinburgh - 25-26 June
London to Southend - 9-10 July
When it comes to raising money for a good cause, there are thousands of great charity challenges taking place all over the UK and you'll find them right here. It's not just about walks, runs or bike rides either - you can skydive, swim or sail.
Browse our charity listings to find the right one for your challenge.
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Staged on the worlds greatest road race route through the heart of central London passing many of the capitals truly world class historic landmarks.
A weekend hill-walking challenge taking on 5 of the Lake District's toughest peaks including Scafell Pike - England's highest mountain. Stunning views over the Lake District.
*GET YOUR CHARITY PLACE BY 4 MAY* Start & finish at the Edinburgh Marathon Festival Hub at Dynamic Earth, this beautiful scenic route takes you around Holyrood Park with views of Edinburgh Castle.
Experience a weekend festival of sport in our glorious capital with this 100-mile cycle challenge on the same closed roads as the professionals.
Join thousands of runners on this completely traffic-free route around the beautiful town of Warwick and it's surrounding countryside.
Target Ovarian Cancer is working to save lives and help women diagnosed live their lives to the full, across the UK.
Information for charities about promoting challenge events on timeoutdoors.