Choose your distance and your pace. Your challenge your way.
The UK’s No 1 series of treks and trail runs!
Take on a challenge at your pace and fundraise for the Nystagmus Network! Whether
along a stunning coastline or on trails through magnificent countryside, you’ll get full support all the way, including
plenty of food and drink, medics and massage, camaraderie, a medal and T shirt and an amazing sense of achievement.
With 20 events to choose from and distance options ranging from 10km up to the full 100km there’s an Ultra Challenge waiting for you in 2026.
Click here to view the full list of Ultra Challenges and sign up
London Winter walk
Saturday 24 or Sunday 25 January 2026
A great event to wrap up and walk off the Christmas and New Year celebrations; maybe kick start a new fitness regime – and to fundraise for the Nystagmus Network! There are full marathon, half marathon and
10km distance options – and an accessible ‘family fun 5k’ on the Sunday. All routes start and 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 and drinks, a special medal and hot food back at the finish before you head home.
https://www.ultrachallenge.com/london-winter-walk/listed-charity/
Bath 50 Ultra Challenge®
Saturday 28 March 2026
Centred on this elegant historic city, take on a 50km ultra, a testing 25km or a sharp 10km challenge at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! From the racecourse basecamp, 2,000 adventurers will head out on looped routes around and through Bath – with fantastic panoramic views, past the famous Royal Crescent and taking in many of the city’s sights and surrounding countryside. Join as an individual or as a team; you’ll get full support all the way, plenty of food and drink, a special medal, t-shirt and celebration finish back at basecamp – and a great sense of achievement! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 50km, 25km, 10km options food and drink medal and t-shirt
Windsor 50 Ultra Challenge®
Saturday 18 April 2026
Get active after the Easter holidays and take on a historic 50 km ultra, a testing 25 km or a sharp 10 km challenge at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! From a Windsor racecourse basecamp 2,000 adventurers will head out on looped routes through the great park with fantastic views of the castle, on to Runnymede, along the Thames Path and taking in some wonderful surrounding countryside. Join as an individual or as a team; you’ll get full support all the way, plenty of food and drink, a special medal, t-shirt and celebration finish back at basecamp – and a great sense of achievement! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 50km, 25km, 10km options food and drink medal and t-shirt
Isle of Wight Ultra Challenge®
2 – 3 May 2026
Great challenges need great settings and up to 2,000 adventurers will tackle the Isle of Wight’s stunning coastal path over the bank holiday weekend. Take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! It’s along the spectacular southern cliffs, past the Needles and up to historic Cowes. For full island challengers 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; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With distance options ranging from the full 106km, down to the ‘medina 10 mile’ – there’s an Isle of Wight Ultra Challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run  106km, 50km, 25km, 10-mile options food and drink medal and t-shirt
Isle of Wight Ultra ChallengeÂ
Jurassic coast Ultra Challenge®
16-17 May 2026
Spectacular world heritage coastline to take on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! A start in Corfe Castle, the route heads down to Swanage and along through Lulworth cove, past Durdle Door, with ups and downs to Weymouth halfway. For full 100 km challengers, it’s past Portland Bill, Chesil Beach and on to West Bay – before a finish line in the vibrant town of Bridport. With half, Weymouth marathon, quarter and 10km challenge options also – it’s the event of the year! Join up to 3,000 adventures as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish – and a great sense of achievement! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 100km, 50km, 25km, 10km options food and drink medal and t-shirt
Jurassic coast Ultra ChallengeÂ
London 2 Brighton Ultra Challenge®
23-24 May 2026
2,000 or so adventurers will take on the capital to coast trails and test their grit and determination. You can join and take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! Richmond-upon-Thames is the start and it’s over the North Downs with wonderful Surrey and Sussex countryside to halfway at Turners Hill. The full 100km route heads over the South Downs before the welcome sight of the Brighton coastline comes into view. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With half, quarter, marathon and 25km options also available – there’s a bank holiday weekend challenge here for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 100km, 50km, 25km, options food and drink medal and t-shirt
London to Brighton Ultra ChallengeÂ
Lake District Ultra Challenge®
6-7 June 2026
Take on England’s finest countryside at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! 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 and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 50km half, marathon, quarter and 10km distance options also available – there’s a Lake District challenge for everyone!
Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 100km, 50km, 25km, options food and drink medal and t-shirt
Lake District Ultra ChallengeÂ
Cotswold Way Ultra Challenge®
13-14 June 2026
Our Cirencester basecamp is the start of the 100 km looped route through the heart of the Cotswolds, providing a stunning setting for 2,000 or so adventurers to test themselves. Rolling hills, villages, footpaths and stunning views to take on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! Join as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping, university-style accommodation and transfers, a special medal, t-shirt and celebration finish. With 50km, 25km and 10km distance option also – there’s a Cotswold’s Way challenge for everyone.
Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail
Walk, jog or run 100 km, 50km, 25km, 10km options food and drink medal and t-shirt
North Yorks Ultra Challenge®
20-21 June 2026
A basecamp in Scarborough and a stunning coastal and moorland challenge, which you can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! The route heads around the town and then north on the Cleveland Way, with a stunning coastline up through Robin Hood Bay and onwards to Whitby and a welcome halfway 50km stop. For full 100km challengers, it’s along the Esk Valley before heading south into classic moorland scenery and back to Scarborough basecamp. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 50km, 25km and 10-mile options also available – there’s a challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges
Walk, jog or run 100km, 50km, 25km, 10-mile options food and drink medal and t-shirt
Peak District Ultra Challenge®
4- 5 July 2026
A basecamp in idyllic Bakewell will welcome 3,000 adventurers who will test themselves in the fabulous Peak District National Park. You can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! There’s a range of camping options and extensive hospitality and welfare services – with a full 100km challenge which takes a tough and varied figure of 8 route through Derbyshire’s finest scenery. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, a special medal, t-shirt and celebration finish. With 50km, 25km and 10-mile options also available – there’s a challenge here for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges
Walk, jog or run 100 km, 50km, 25km, 10-mile options food and drink medal and t-shirt
Peak District Ultra ChallengeÂ
Gower Peninsula Ultra Challenge®
18-19 July 2026
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 as a walk, jog or run – and fundraise for the Nystagmus Network! There are weekend camping options and the full 100km challenge is a figure of 8 route made up of west and east loops which take in the best of the peninsula and its varied, unique landscape. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, a special medal, t-shirt and celebration finish.
With 50km, 25kmand 10km challenge options also – there’s a Gower Peninsula challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges
Walk, jog or run 100 km, 50km, 25km, 10km options food and drink medal and t-shirt
Gower Peninsula Ultra ChallengeÂ
South West Coast 50 Ultra Challenge®
Sat 25 July 2026
A fantastic ‘south west’ summer challenge, taking in the first Minehead section of the famous 630-mile coastal path and a basecamp in the shadows of the impressive Dunster Castle. The 50km loop then heads over Exmoor with ups and downs and some magnificent views with over 1600 metres of climb. You can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 25km and 10km options also available – there’s a challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges.
Walk, jog or run 50km, 25km, 10km options   food and drink medal and t-shirt
South West Coast 50 Ultra ChallengeÂ
North downs 50 Ultra Challenge®
Saturday 1 August 2026
The North Downs provides a fabulous challenge from a Guildford basecamp, with a looped 50 km route which takes in some of the best of the surrey hills and the surrounding countryside. You can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! A route with some wonderful scenery and fabulous views out to the south and easily accessible from London! Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 25km and 10km options also available – there’s a summer challenge here for everyone!
Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges
Walk, jog or run 50km, 25km, 10km options   food and drink medal and t-shirt
North Downs 50 Ultra ChallengeÂ
London Summer Walk
Saturday 22 August 2026
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 – and fundraise for the Nystagmus Network. Starting alongside the grandeur of Woolwich Barracks (short walk from Elizabeth Line, DLR and overground) – there’s a marathon looped route, which heads into the heart of the capital – alongside a 25km 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, rest stops with snacks and drinks and capped with a BBQ meal, bar and music at the finish, making for a wonderful active end of summer celebration!
Walk marathon, 25km, 10km options food and drink medal and t-shirt
South Coast Ultra Challenge®
5-6 September 2026
The South Downs National Park is a superb backdrop for 2,000 adventurers to take on a real challenge and you can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! An Eastbourne start, up Beachy Head, the magnificent Seven Sisters and along the South Downs Way, with stunning views over the sea, to a Brighton half-way. Devil’s Dyke and a few ups and downs lie ahead before Arundel comes into view after an amazing 100 km journey. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With half and quarter distance options also available – there’s a challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges!
Walk, jog or run 100 km, 50km, 25km, options food and drink  medal and t-shirt
Thames Path Ultra Challenge®
12-13 September 2026
England’s greatest river provides a fantastic backdrop for an unforgettable challenge, which you can take on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! Over 3,000 adventurers will join the Putney Bridge start and the full 100km route heads upstream to Henley along the famous towpath. It’s through Richmond, Hampton court, Runnymede and Windsor, with some wonderful scenery to a riverside finish line. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 50km, 25km and Henley 10km options also available – there’s a Thames Path challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges!
Walk, jog or run 100 km, 50km, 25km, 10km options food and drink medal and t-shirt
Thames Bridges Trek
Saturday 12 September 2026
Join 2,500 walkers and trek 25 km across the capital with unrivalled views of the skyline and landmarks – and you can fundraise for the Nystagmus Network! From a Putney Bridge start it’s east towards the city, zigzagging over 16 historic bridges, each with a fascinating story – and 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 and 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 and drink, a special medal, t-shirt and celebration finish. With a 10 km option also available – there’s a fabulous Thames walk for you!
Walk 25km, 10km options food and drink medal and t-shirt
Thames Moonlight 10
Friday pm – 11 September 2026
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 – and fundraise for the Nystagmus Network! 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 and drink.
Walk 10-mile, 10km options food and drink medal and t-shirt
Chiltern 50 Ultra Challenge®
Saturday 26 September 2026
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 – and fundraise for the Nystagmus Network! 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, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 25km and 10km options also available – there’s a Chilterns challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges!
Walk, jog or run 50km, 25km, 10km options  food and drink medal and t-shirt
Kent Downs 50 Ultra Challenge®
Saturday 10 October 2026
An end of season Ultra Challenge in the ‘garden of England’. A basecamp near Maidstone, join up to 2,000 adventurers and you can take it on at your pace as a walk, jog or run – and fundraise for the Nystagmus Network! The 50km looped route heads anticlockwise on the North Downs way to Blue Bell Hill, following the River Medway to Mote Park at halfway for a picnic. Along the Len Valley walk to the majestic Leeds Castle and the North Downs way back to the showground finish line. Sign up as an individual or as a team; you’ll get full support all the way, plenty of food and drink, optional camping and transfers, a special medal, t-shirt and celebration finish. With 25km and 10km options also available – there’s a challenge for everyone! Push yourself further in 2026, take on an Ultra Challenge – the UK’s no.1 series of treks and trail challenges!
Walk, jog or run 50km, 25km, 10km options   food and drink medal and t-shirt
Kent Downs 50 Ultra ChallengeÂ
London Halloween Walk
Saturday 31 October 2026
Why not risk a hair-raising hike around some of the city’s scary streets and historic haunts and raise money for the Nystagmus Network! Choose your distance, gather your bravest guys and 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 and finish will meet, greet and 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 and drink!