On your Marks! Take part in any number of exciting challenge events throughout the year to raise money for the life-changing research and education at the UK's national bowel hospital.
Thanks to our partners at Run for Charity and Charity Challenge, our supporters can take part in a number of incredible physical challenge events across the UK and the world to raise funds for St Mark’s Hospital Foundation.
Upcoming Featured Events:
Date: Sunday, 6th September, 2026
Minimum Age: 11
Join us for the Run Thorpe Park series. Run a 5k or 10k around the rides and rollercoasters inside the fantastic Thorpe Park Resort and be first in line to enjoy everything the Resort has to offer. Following the race, you will be able to make full use of the rides within the park with Theme Park access included in your race entry!
Date: Sunday, 20th September, 2026
Minimum Age: 17
Join us at Richmond Park Half Marathon. It has been managed as a royal deer park since the seventeenth century, it’s likely you’ll spot some deer around the course. Included in the price you get a unique themed medal, free official race photos, chip timed results and hopefully a great half marathon time!
Date: Saturday, 10th October, 2026
Minimum Age: 15
Run yourself into the history books with the return of The Hampton Court Palace 10K! Starting and finishing inside the palace grounds – this iconic course takes you out along The Barge Walk and back through Home Park. A regal medal awaits you at the finish as well as a photo opportunity with Henry VIII.
Royal Parks Half Marathon – Waiting List
Date: Sunday, 11th October, 2026
Minimum Age: 17
This is the most spectacular half marathon that central London has to offer – it is a unique and inspiring event. Charity runners will glide through four of London’s stunning Royal Parks, Kensington Gardens, Hyde Park, St James’s Park and The Green Park. The 13.1m extraordinary route brushes past London’s most famous landmarks, including The Houses of Parliament, Trafalgar Square and Buckingham Palace, all on closed roads.
Date: Sunday, 29th November, 2026
Minimum Age: 17
Located in North London, Finsbury Park is the home of Wireless and Madstock festival. Run a 5k, 10k, & Half Marathon around the wide paths of Finsbury Park to start your Sunday right. Each kilometre is accurately marked out with distance flags and we have plenty of helpers to keep you on track and to encourage you on your way to the finish.
Date: Saturday, 5th December, 2026
Minimum Age: 11
A family friendly 5k race in one of London’s most picturesque parks! Starting and finishing at the Parks Bandstand this course laps the park making it easy to follow and great for any spectators to catch you flying around the course.
Date: Saturday, 5th December, 2026
Minimum Age: 17
Battersea Park is one of London’s most picturesque parks and has been a favourite course for those wanting to run a PB! The course is totally flat, offering the perfect opportunity to push yourself to a personal best. Starting and finishing at the Parks Bandstand this course laps the park making it easy to follow and great for any spectators to catch you flying around the course.
Date: Sunday, 4th April, 2027
Minimum Age: 18
The Brighton Marathon is one of the UK’s favourite 26.2-milers. With a stunning backdrop of the sea in one of the country’s most vibrant cities, the race gets bigger and better every year. Renowned for its buzzing atmosphere and roaring crowd support, the course winds through the city streets, finishing up on the spectacular Brighton seafront.
Date: Sunday, 18th April, 2027
Minimum Age: 18
The Manchester Marathon, the UK’s second largest marathon and one of Europe’s largest, is an iconic event drawing participants from all over the world to the vibrant streets of Greater Manchester. The organisers pride themselves on welcoming all to take on our 26.2 mile challenge, from some superb elite runners, to those who thought completing a marathon would never be possible. Many regular runners find this the ideal event to get a personal best time, whilst everybody finds the incredible Mancunian support throughout the course unforgettable.
Date: Saturday, 15th May, 2027
Minimum Age: 18
Grab this opportunity to pit yourself against the spectacular landscape of Snowdonia National Park in this tough and exciting multi-activity challenge. Taking in the summit of Wales’ highest mountain, over the course of a single day you’ll push yourself across a variety of terrains. You’ll challenge yourself mentally and physically as you take on some of the most demanding landscapes in Britain on foot, by bike and in a kayak.
Date: Sunday, 16th May, 2027
Minimum Age: 17
The Hoka Hackney Half is the highlight of London’s running calendar. This is an unforgettable weekend of movement, sport and entertainment. Expect pure vibrancy as the borough comes alive for a weekend of celebration.
Bristol Gorge, Bridge and Castle Trek
Date: Saturday, 22nd May, 2027
Minimum Age: 18
Starting and finishing at Blaise Castle Estate, you’ll follow a scenic and varied route that takes in the spectacular Avon Gorge, the Iconic Clifton Suspension Bridge, and hidden Banksy street art. As you trek through Bristol’s historic streets, harbourside, and green spaces, you’ll experience a one-of-a-kind challenge that blends urban adventure with breathtaking landscapes.
Date: Sunday, 30th May, 2027
Minimum Age: 18
This ever-growing festival of running is now a major event in the Scottish sporting calendar. Starting in Edinburgh, the course heads out through East Lothian offering stunning views and an unforgettable running experience. The marathon route is one of the fastest in the UK making that elusive personal best a distinct possibility!
Date: Saturday, 5th June, 2027
Minimum Age: 18
The Peak District is one of the UK’s best adventure playgrounds and you will have a choice of two different trekking distances. For those wishing to test themselves, but perhaps in a slightly more leisurely fashion, then there is a half marathon distance (21.1km) option. Whereas for those wishing to really push their boundaries there is a full marathon distance (42.2km) option.
Date: Saturday, 19th June, 2027
Minimum Age: 18
This incredible coastal trek starts just outside Brighton and takes you on 42km of testing, undulating terrain before finishing in Eastbourne. You will cross Firle Beacon, for stunning views of the coast, before tackling the incredible stretch of clifftops known as the Seven Sisters to finish on the seafront at Eastbourne.
Hadrian’s Wall Trail Challenge
Date: Saturday, 3rd July, 2027
Minimum Age: 18
This exciting and strenuous marathon distance challenge of 26 miles will have you trekking along this stunning world famous historic landscape. Hadrian’s Wall runs across the north of the UK from coast to coast and remains one of the largest ancient monuments in Northern Europe. You will trek in the footsteps of the Roman Empire and take in some of this extraordinary structure that protected the Roman armies from the Scottish.
National Three Peaks Challenge
Date: Friday, 6th August – Sunday, 8th August, 2027
Minimum Age: 18
Brace yourself for a fast-paced and physically challenging adventure, as you take on the three highest peaks in England, Scotland and Wales. Considered one of Britain’s toughest outdoor challenges, the National 3 Peaks Challenge takes in the dizzy heights of Ben Nevis, Scafell Pike and Snowdon (Yr Wyddfa). Over the course of two days, you will trek around 26 miles and ascend to a total height of almost 3,000 meters.
Thames Footpath Half Marathon Walk
Date: Sunday, 9th October, 2027
Minimum Age: 18
Take on a memorable 21km challenge along London’s famous Thames Path, from Chiswick to Tower Bridge, and experience one of the capital’s most scenic fundraising challenges. This fully supported half marathon distance challenge is an unforgettable way to experience London on foot. With expert support, regular rest stops and stunning views from start to finish, this is the perfect challenge for both first-time trekkers and experienced walkers.