Walk, Jog, or Run the ‘North Downs 50’ challenge for 2026 –with a fabulous challenge setting out from our Guilford basecamp. Choose from the full 50km challenge, a 25km half, or even a 10km – all taking in some of the best of the Surrey hills, the North Downs Way, and the surrounding countryside. This event is part of the Ultra Challenge Series – 16 great events where you can walk, jog or run your chosen distance in the UK’s most iconic locations!

Get active & explore some of the Capital’s historic areas with a tour of the ‘gateway to London’ along the Thames’s eastern section.

The South Downs National Park is a superb backdrop for a brilliant Ultra Challenge and has been a staple in many challengers calendar for a number of years!

The Moonlight 10 Walk kicks off the famous Thames Path Challenge weekend festival of riverside events! Take on either a spirited 10 km or an energetic 10 mile looped route walk through the heart of London as darkness falls and the Moon rises. Experience London in a different light, passing famous landmarks – including St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more.

Join 2000 trekkers as we venture 25km across the Capital taking in unrivalled views of the skyline from its best vantage points. Follow the path of England’s most famous river, and take in the views from some of the most iconic bridges in the world. With full support every step of the way from our team, with free food & drinks and a great atmosphere. This event is part of the Ultra Challenge Series – 16 great events where you can walk, jog or run your chosen distance in the UK’s most iconic locations!

Walk, jog or run the Thames Path Challenge, following England’s greatest river. The full Thames Path Challenge 100km route heads from Putney Bridge past Hampton Court to Runnymede of Magna Carta at 50km, then on past wonderful historic scenery all the way to Henley.

The Great North Run is the world’s biggest half marathon, with more than 57,000 runners pounding the streets of Newcastle. The 13.1-mile course runs from Newcastle upon Tyne to South Shields and attracts many world-class athletes.

The Swim Serpentine is a one-day open water swimming festival taking place at the beautiful Hyde Park. With a range of distances to choose it is a great event for first timers wanting to complete it at their own pace or making their first transition from pool to open water swimming!

This challenge covers some of the best of the Chilterns countryside. You can Walk, Jog, or Run along historic trails and over rolling hills.

Take on the AJ Bell Great Scottish Run and feel the thrill of running through Glasgow’s vibrant streets! With thousands of participants, live music, cheering crowds, and a scenic route through the city, this is an event not to be missed!

The Manchester Half takes place every October, starting and finishing by Old Trafford. Take on the biggest half marathon in the North West, famous for its flat route, this is a perfect race for professionals looking for a personal best, or new long distance starting out.

The Cardiff Half Marathon is a flat, fast course passing all of the city’s most breathtaking scenery and iconic landmarks including Cardiff Castle, the Principality Stadium, Civic Centre and stunning Cardiff Bay.

The main 50km looped route heads anticlockwise around the Kent Downs heading back to the showground finish line and celebration.

Join #TeamCRY with friends and family and tackle a teamwork-inspired, mud-filled obstacle course. With 5K and 15K options all over England and Scotland!

The MBNA Chester Marathon is the 6th largest Marathon in the UK! The event beginning and ending in the city, guides participants through Chester's most famous landmarks. The course then ventures into the scenic Cheshire and North Wales countryside before returning alongside the River Dee for an unforgettable finish. This route is known for its big crowd support, cheering you on from start to finish.

The fast and flat Oxford Half returns on Sunday 11th October 2026! The course takes runners through the historic streets of Oxford beginning in the city centre and passing through the beautiful Old Marston village, the River Cherwell and more before finally finishing on Parks Road.

Register now for The Royal Parks Half Marathon taking place in October 2026. Runners pass through four of London’s royal parks- Hyde Park, The Green Park, St James's Park and Kensington Gardens, as well as other iconic sights and landmarks in central London, all on closed roads.

Join thousands of runners for the Great South Run, the UK’s most iconic 10-mile race! Experience the amazing atmosphere, stunning coastal views, and crowd support as you race through Portsmouth’s historic streets. Whether you're hoping for a personal best or running for fun, this flat and fast course is perfect for all abilities.

The Yorkshire Marathon highlights the beauty of York city and the picturesque Yorkshire countryside all in one. With a notably flat and speedy course, it appeals to both runners hoping for a personal best or beginners starting on their running journey.

Why not treat yourself to a hair-raising hike around some of the City’s scary streets and historic haunts? Choose your distance, gather your bravest guys & ghouls to make up a team – or go it alone if you dare and meet up with other chilling challengers. With a fun & spooky atmosphere, great support and free food & drinks, it’s frightfully good!

Starting and finishing in front of the iconic Knebworth House, the route takes in the grounds of Knebworth Park before heading out to the surrounding country lanes. This ROAD CLOSED course gives you the opportunity to enjoy the rural roads totally traffic free – this is the first mass participation event with closed roads staged at Knebworth House!

Support CRY during Raising Awareness Week by organising your own fundraising event, displaying/distributing posters and leaflets, or sharing our posts on social media or joining one of our challenge events.