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Ultra Challenge Series 2026

Walk, jog or run the glorious ‘Garden of England’ in the Kent Downs 50 and enjoy the breath-taking Kent countryside. With 10k, 25km or 50km distance options, it’s your challenge, your way. Sign up solo or take it on as a team.

Stunning views out to sea await you on the South Coast Ultra Challenge. Choose your pace and conquer Beachy Head and the magnificent Seven Sisters, all while making a real difference for those living with MS. With 25km, 50km and 100km options, it’s a walk you can really make your own.

See sixteen of the city’s most famous bridges in the Thames Bridges Trek, an historic journey with 10k and 25km distance options. Join up as a team or set out solo and make memories while fundraising for MS Trust.

A scenic challenge amongst the Chilterns with 10k, 25km and 50km distance options. Walk, jog or run along rolling hills, nature reserves and historic trails. Take in some truly picturesque English countryside while making a difference in the lives of those with MS.

Walk London by night and experience a wonderful moonlit journey through the heart of the city while changing lives for those living with MS. Take on either 10km or a mighty 10 miles, passing famous landmarks like St. Paul’s Cathedral and the London Eye along the way.

Trek along part of the Great Wall of China - one of the Wonders of the World!

Join us and our friendly community for the MS Trust’s streaming challenge, Stream for MS.