Are you a walker, jogger or runner looking for a new challenge?
Take on the UK’s #1 series of trail runs & treks, with 21 unforgettable events set along stunning coastline and through the best of Britain’s countryside.
Whether you go solo or as part of a team, choose the distance that suits you from 10km to 100km and enjoy full support every step of the way, with clear signage, medics, massage, marquee rest stops, free food & drink, and plenty of camaraderie.
Cross the finish line to collect your medal and T-shirt. And on 16 selected events, beat the TRAILBLAZERZ 'Time Goal' to earn a special medal and an even bigger sense of achievement. There’s an Ultra Challenge waiting for you in 2026!
Charity Event Partners
We are excited to announce that we are official series partners in 2026! This means you get can get 50% off your registration fee, when you choose the charity sponsorship option on any challenge.
For further information on discounted registration fee's, please visit the event organiser's website.
How to join the team
There are three ways you can join the team. Register for a charity sponsorship place, choose the self funding option or go for mixed funding. To find out more and register for this event, please visit the individual event pages below.
Charity Sponsorship
Pay a small registration fee and fundraise more, and we'll cover the cost of your place.
- Registration fee (non-refundable): From £15
- Charity sponsorship target: From £150
Self Funding
Pay the full registration fee and you can fundraise how ever much you'd like.
- Registration fee (non-refundable): From £49
- Raise as much as you can!
Mixed Funding
Pay half of your registration fee, we'll cover half and your fundraising target is less.
- Registration fee (non-refundable): From £25
- Charity sponsorship target: From £100
Find your Ultra Challenge
London Winter Walk
Location: London
A great event to wrap up and walk off the Christmas & New Year celebrations; maybe kick start a new fitness regime. There are Full Marathon, Half Marathon & 10km distance options – and an accessible ‘Family Fun 5K’ on the Sunday. All routes start & finish at The Oval Cricket Ground, and take in highlights of the Thames, its historic bridges, and many of the Capital’s landmarks. Sign up as a team, or as an individual and families are welcome. There’s rest stops with snacks & drinks, a special medal, and hot food back at the finish before you head home.
Choose the distance to suit you, from 10km, 13 mile or 26 mile.
Bath 50 Challenge
Location: Bath
Take on a 50km ultramarathon in the historic city of Bath at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. From the Racecourse, head out on a looped route taking in fantastic panoramic views, the famous Royal Crescent, and many of the city’s sights & surrounding countryside. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp, we know you can push yourself further in 2026 and take on an Ultra Challenge.
Choose the distance to suit you, from 10km, 25km or 50km.
Windsor Easter 50 Challenge
Location: Windsor
Get active after Easter and take on a historic 50 km ultramarathon at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. From a Windsor Racecourse basecamp, head out on a looped route through the Great Park with fantastic views of the Castle, on to Runnymede, along the Thames Path, and taking in wonderful countryside. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp, we know you can push yourself further in 2026 and take on an Ultra Challenge.
Choose the distance to suit you, from 10km, 25km or 50km.
Isle of Wight Challenge
Location: Isle of Wight
Great ultramarathons need great settings, and the Isle of Wight’s stunning coastal path provides just that. Take it on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. It’s along the spectacular southern cliffs, past the Needles, and up to historic Cowes. For Full Island runners it’s on to Ventnor, and back to our welcome basecamp in Chale after an epic journey! Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. You’ll get full support all the way, plenty of food & drink, optional camping & transfers, a finisher’s medal & T shirt, and a huge celebration finish. With 106km or 52km available to TRAILBLAZERZ® – there’s an Isle of Wight Ultra for you!
Choose the distance to suit you, from 10 miles, 25k, 82km or 106km.
Jurassic Coast Challenge
Location: Dorset
Run along spectacular World Heritage coastline at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. Start in Corfe Castle, then head down to Swanage, past Lulworth Cove and Durdle Door, before reaching ‘halfway’ at Weymouth. For 100 km runners, it’s past Chesil Beach, and on to West Bay – before a finish line in Bridport. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration – and a great sense of achievement!
Choose the distance to suit you, from 10km, 25km, 34km, 42km, 76km and 100km.
London 2 Brighton Challenge
Location: London
Run from Capital to Coast and test your grit & determination whilst fundraising for charity. You can join and take it on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real traction and raise awareness for a meaningful cause. Start in Richmond-Upon-Thames and run over the North Downs surrounded by wonderful Surrey & Sussex countryside to halfway at Turners Hill. The full 100km route heads over the South Downs before the welcome sight of Brighton comes into view. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration. With half, quarter, Marathon & 25km options also available – there’s bank holiday weekend challenge here for everyone!
Choose the distance to suit you, from 25km, 42km, 58km or 100km.
Lake District Challenge
Location: Kendal
Take on England’s finest countryside at your pace as a walk, jog, or run. Challenge basecamp is in Kendal, and it’s a 100km looped route with a few tough hills to Ambleside; a halfway point by Lake Windermere with stunning views enroute, and a huge welcome back at basecamp! Join up to 2,000 adventurers and sign up as an individual or as a team; you’ll get full support all the way, plenty of food & drink, optional camping & transfers, a special medal, T shirt and celebration finish. With 50km half, marathon, quarter & 10km distance options also available, there’s a Lake District Challenge for everyone!
Choose the distance to suit you, from 25km, 50km, 100km or marathon.
North Yorks Challenge
Location: Scarborough
NEW FOR 2026! Starting at basecamp in Scarborough, take on a scenic coastal & moorland challenge at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. The route heads north on the Cleveland Way, with a stunning coastline up through Robin Hood Bay and onwards to Whitby, where you’ll find a welcome 50km stop. For full 100km challengers, it’s along the Esk Valley before heading south into moorland scenery and back to Scarborough basecamp. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp - With 50km, 25km & 10-mile options also available, there’s a challenge for everyone!
Choose the distance to suit you, from 25km, 50km, 100km, 75km and 10 miles.
Peak District Challenge
Location: Bakewell
With an idyllic start in Bakewell, test yourself and fundraise by running through the fabulous Peak District National Park. You can take it on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. The full 100km Challenge takes a tough & varied figure of 8 route through Derbyshire’s finest scenery, with the 52km comprising the first loop. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp – there’s a challenge here for everyone!
Choose the distance to suit you, from 25km, 50km, 75km or 100km.
Cotswold Way Challenge
Location: Chichester
Starting in Cirencester, head out on a 100 km looped route through the heart of the Cotswolds, providing a stunning setting for runners of all abilities to test themselves and experience real adventure. Rolling hills, villages, footpaths & stunning views to take on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real traction and raise awareness for a meaningful cause. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp – there’s a Cotswold’s Way Challenge for everyone!
Choose the distance to suit you, from 10km, 25km, 53km, 76 km or 100km.
Gower Peninsula Challenge
Location: Swansea
Set in the stunning Gower Peninsula – famous for its golden beaches, limestone cliffs, wild moors, ridges, and woodlands – take on a challenge at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. The full 100km challenge is a figure of 8 route made up of west & east loops taking in the best of the Peninsula. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp.
Choose the distance to suit you, from 10km, 25km, 50km or 100km.
South West Coast 50 Challenge
Location: Somerset
A fantastic ‘South West’ summer challenge, taking in the first Minehead section of the famous 630-mile Coastal Path with a basecamp in the shadows of the impressive Dunster Castle. The 50km loop heads over Exmoor with ups & downs and some magnificent views with over 1600 metres of climb. You can take it on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp. With 25km & 10km options also available, there’s a challenge for everyone!
Choose the distance to suit you, from 10km, 25km or 50km.
North Downs 50 Challenge
Location: Guildford
The North Downs provides a fabulous challenge from a Guildford basecamp, taking on a looped 50 km route which takes in the best of the Surrey hills and the surrounding countryside. You can take it on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. An easily accessible route from London with fantastic views to the south! Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration back at basecamp. With 25km & 10km options also available, there’s a summer challenge here for everyone!
Choose the distance to suit you, from 10km, 25km or 50km.
London Summer Walk
Location: London
Get your walking shoes on and explore some of the Capital’s less known historic areas with a tour of the ‘gateway to London’ along the Thames’s eastern section. Starting alongside the grandeur of Woolwich Royal Artillery Barracks (short walk from Elizabeth Line, DLR, & Overground) – we have a MARATHON looped route which heads into the heart of the Capital – alongside the fabulous 25km loop option taking in Greenwich – and a 10km option if you’re after something a bit shorter! Routes steeped in history with iconic sights, a lively warm up, full support all the way, and capped with a BBQ meal, bar & music at the finish – making for a wonderful end of Summer celebration!
Choose the distance to suit you, from 10km, 25km or 50km.
South Coast Challenge
Location: Eastbourne
The South Downs National Park is a superb backdrop for trail runners to take on a real Challenge at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. Starting at Eastbourne, head up Beachy Head, the magnificent Seven Sisters, and along the South Downs Way, with stunning views over the sea. After Brighton at half-way, Devil’s Dyke, and a few ups & downs to Arundel you’ll have completed an amazing 100 km journey. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration. With half & quarter distance options also available, there’s a challenge for everyone!
Choose the distance to suit you, from 25km, 43km, 57km or 100km.
Thames Moonlight 10 Walk
Location: London
Take on either a spirited Friday evening 10km or an energetic 10-mile looped route walk through the heart of London as darkness falls, and the Moon rises. The Oval Cricket Ground is the start / finish venue and experience London in a different light, passing famous landmarks including St Paul’s, Westminster Abbey, Tower Bridge, the London Eye and more. Sign up as an individual or as a team; you’ll get full support all the way, a special Moon medal, T shirt and celebration finish with some hot food & drink.
Choose the distance to suit you, from 10km or 10 mile.
Thames Path Challenge
Location: London
England’s greatest river provides a fantastic backdrop for an unforgettable Challenge, which you can take on at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. Join our fastest and flattest ultramarathon starting by Putney Bridge, with the full 100km route heading upstream to Henley along the famous Towpath. You’ll run through Richmond, Hampton Court, Runnymede, and Windsor, with wonderful scenery to a riverside finish line. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebration!
Choose the distance to suit you from, 25km, 50km or 100km.
Thames Bridges Trek
Location: London
Join 2500 walkers and trek 25 km across the Capital with unrivalled views of the skyline and landmarks. From a Putney Bridge start it’s East towards the City, zigzagging over 16 historic bridges, each with a fascinating story. Take a mid-point rest stop at The Oval Cricket Ground for snacks and drinks. 25 km later, beyond the majestic Tower Bridge, it’s a party style finish line celebration & afternoon picnic in Southwark Park. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food & drink, a special medal, T shirt and celebration finish. With a 10 km option also available - there’s a fabulous Thames Walk for you!
Choose the distance to suit you, from 10km or 25km.
Find out more
Chiltern 50 Challenge
Location: Hambleden
A 50km looped challenge in some of the Chilterns finest countryside, with historic trails, rolling hills, nature reserves, with fantastic views. Join up to 2,000 adventurers and take it on at your pace as a walk, jog, or run. A basecamp in Henley, and a route with real variety and some wonderful scenery and easily accessible from London. Sign up as an individual or as a team; you’ll get full support all the way with optional camping, transfers, plenty of food and drink, a special medal, T shirt and celebration finish. With 25km & 10km options also available there’s a Chilterns Challenge for everyone!
Choose the distance to suit you, from 10km or 25km or 50km.
Kent Downs 50 Challenge
Location: Kent
Our last opportunity of the season to be a Trailblazer, set in the ‘Garden of England’. With basecamp near Maidstone, take on this ultramarathon at your pace – whether you’re a ‘Trailblazer’ leading the pack or jogging with new friends, your achievement will gain real fundraising traction and raise awareness for a meaningful cause. The 50km looped route heads anticlockwise on the North Downs Way to Blue Bell Hill, following the River Medway to Mote Park at halfway. Along the Len Valley Walk to the majestic Leeds Castle, and the North Downs Way back to the showground finish line. Join as an individual or as a team; even take on the Ultra TRAILBLAZERZ® ‘Time Goal’ and win a special medal. With plenty of food & drink, a finisher’s medal & T-Shirt, and post-race celebrations. With 10km - 50km options - there’s a challenge for everyone!
Choose the distance to suit you, from 10km, 25km or 50km.
Halloween Walk
Location: London
Why not risk 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. You’ll get full support all the way, dress to distress, and creepy dungeon keepers at The Oval Cricket Ground start & finish will meet, greet & shock. Once you escape there’s ghostly looped routes, with zombie rest stops, and if you manage to get back in one piece there’s a macabre medal, a glass of the Devil’s fizz, some horrific hot food & drink!
Choose the distance to suit you, from 10km or 25km.
How your fundraising helps
£160 Could fund a specialist communication app for a tablet/smartphone/laptop.
£320 Could provide 50 health and social care professionals with detailed guides on supporting people with MND with speech and communication.
£600 Could provide a child affected by MND with eight professional counselling sessions.