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Thousands take part in ‘Britain’s most beautiful’ marathon weekend
Thousands of runners descended on Kielder for 'Britain's most beautiful', the Altra Kielder Marathon Weekend on 3rd and 4th October 2026/
Family of PC Matthew Blades heads to Kielder to complete his charity running challenge
The family of PC Matthew Blades who died in the line of duty have vowed to complete his charity running challenge at the Altra Kielder Marathon Weekend.
Event partners team up to help cared for children experience ‘Britain’s most beautiful’ running weekend
Organisers behind the Altra Kielder Marathon weekend and partners Northumberland County Council have teamed up to help children in care experience 'Britain's most beautiful' running weekend.
Kielder Marathon teams up with charity to bridge funding gap
The Altra Kielder Marathon is teaming up with local charity Northumberland and Newcastle Society to support the upkeep of Kielder Viaduct.
Star names join thousands of runners to celebrate 15th anniversary of ‘Britain’s most beautiful’ marathon
One of the country’s best loved running events will celebrate its 15th anniversary next weekend with sold out races and a star studded line-up of participants. Known as ‘Britain’s most beautiful,’ the Altra Kielder Marathon returns on 4 and 5 October, based at Kielder Water
Mum and daughter taking on marathon for rare genetic condition
Meet Jo, a mum preparing for the Altra Kielder Marathon next weekend to raise money for CASK Research, and her daughter Alice, who will be pushed by Jo in her wheelchair round the course. “I’m running the Kielder Marathon while pushing my 24-year-old daughter Alice in her Delichon Delta
An Evening With Altra She Runs Free
Pizza, Panel Talks & Pre-Race Vibes Altra and Events of the North are announcing an exclusive event on the Saturday night before the 15th anniversary of the Kielder Marathon on Sunday 5th October 2025. Limited to just 80 people, the evening is a chance for like-minded individuals to discuss, so
Training for a half marathon? Things to remember
If you can run a 10K, you can run a half marathon. Even though it’s more than double the distance, building up the miles is straightforward, and with already having a base to build from, you’ll be signing up for a race in no time! Whether it’s your first, or your next goal to work
Training for your first marathon? Here’s how to go from half to full in 12 weeks – just in time for Kielder
Altra Kielder Marathon 2025 is on the horizon – and if you’ve ticked off a half marathon or two and are thinking about the next big challenge, this is your sign. Because yes, you can go from half to full in 12 weeks – and there’s no better place to do it than Kielder. Twelve
Altra Champions Women In Running As Title Partner Of Kielder Marathon
In the lead up to the event, Altra and Kielder Marathon organisers will highlight the theme of women in running, in partnership with BOLDLI Running Club. Altra is proud to announce its new role as the title sponsor of the Kielder Marathon Weekend, an iconic event in the UK running calendar. Taking